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<div id="projectname">NVIDIA 2D Image And Signal Performance Primitives (NPP)
 <span id="projectnumber">Version 10.1.1</span>
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<div class="title">ColorToGray Conversion<div class="ingroups"><a class="el" href="group__image__color__conversion.html">Color and Sampling Conversion</a></div></div> </div>
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<p>Routines for converting color images to grayscale.
<a href="#details">More...</a></p>
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RGBToGray</h2></td></tr>
<tr><td class="ititle" colspan="2"><p><a class="anchor" id="amgrpd8d83b7d473fcecdf4c2f7d3a7ac2245"></a>RGB to CCIR601 Gray conversion.</p>
<p>Here is how NPP converts gamma corrected RGB to CCIR601 Gray.</p>
<div class="fragment"><div class="line">* nGray = 0.299F * R + 0.587F * G + 0.114F * B; </div>
<div class="line">* </div>
</div><!-- fragment --> </td></tr>
<tr class="memitem:gafb422d7ead961dafc8e38dd65b2e146b"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__image__color__to__gray.html#gafb422d7ead961dafc8e38dd65b2e146b">nppiRGBToGray_8u_C3C1R_Ctx</a> (const <a class="el" href="group__npp__basic__types.html#ga29b502b6816fc0066fd59538483a5b62">Npp8u</a> *pSrc, int nSrcStep, <a class="el" href="group__npp__basic__types.html#ga29b502b6816fc0066fd59538483a5b62">Npp8u</a> *pDst, int nDstStep, <a class="el" href="struct_nppi_size.html">NppiSize</a> oSizeROI, <a class="el" href="struct_npp_stream_context.html">NppStreamContext</a> nppStreamCtx)</td></tr>
<tr class="memdesc:gafb422d7ead961dafc8e38dd65b2e146b"><td class="mdescLeft"> </td><td class="mdescRight">3 channel 8-bit unsigned packed RGB to 1 channel 8-bit unsigned packed Gray conversion. <a href="#gafb422d7ead961dafc8e38dd65b2e146b">More...</a><br/></td></tr>
<tr class="separator:gafb422d7ead961dafc8e38dd65b2e146b"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gac6f2d3985f60d219d27e166b23f418fb"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__image__color__to__gray.html#gac6f2d3985f60d219d27e166b23f418fb">nppiRGBToGray_8u_C3C1R</a> (const <a class="el" href="group__npp__basic__types.html#ga29b502b6816fc0066fd59538483a5b62">Npp8u</a> *pSrc, int nSrcStep, <a class="el" href="group__npp__basic__types.html#ga29b502b6816fc0066fd59538483a5b62">Npp8u</a> *pDst, int nDstStep, <a class="el" href="struct_nppi_size.html">NppiSize</a> oSizeROI)</td></tr>
<tr class="separator:gac6f2d3985f60d219d27e166b23f418fb"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gac31574376d7b5e585a598d78911cc2c9"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__image__color__to__gray.html#gac31574376d7b5e585a598d78911cc2c9">nppiRGBToGray_8u_AC4C1R_Ctx</a> (const <a class="el" href="group__npp__basic__types.html#ga29b502b6816fc0066fd59538483a5b62">Npp8u</a> *pSrc, int nSrcStep, <a class="el" href="group__npp__basic__types.html#ga29b502b6816fc0066fd59538483a5b62">Npp8u</a> *pDst, int nDstStep, <a class="el" href="struct_nppi_size.html">NppiSize</a> oSizeROI, <a class="el" href="struct_npp_stream_context.html">NppStreamContext</a> nppStreamCtx)</td></tr>
<tr class="memdesc:gac31574376d7b5e585a598d78911cc2c9"><td class="mdescLeft"> </td><td class="mdescRight">4 channel 8-bit unsigned packed RGB with alpha to 1 channel 8-bit unsigned packed Gray conversion. <a href="#gac31574376d7b5e585a598d78911cc2c9">More...</a><br/></td></tr>
<tr class="separator:gac31574376d7b5e585a598d78911cc2c9"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga4806ae35b188e4b38d0e75e4477e4bda"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__image__color__to__gray.html#ga4806ae35b188e4b38d0e75e4477e4bda">nppiRGBToGray_8u_AC4C1R</a> (const <a class="el" href="group__npp__basic__types.html#ga29b502b6816fc0066fd59538483a5b62">Npp8u</a> *pSrc, int nSrcStep, <a class="el" href="group__npp__basic__types.html#ga29b502b6816fc0066fd59538483a5b62">Npp8u</a> *pDst, int nDstStep, <a class="el" href="struct_nppi_size.html">NppiSize</a> oSizeROI)</td></tr>
<tr class="separator:ga4806ae35b188e4b38d0e75e4477e4bda"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gac5785c4a518b5473fa422d0a00999d29"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__image__color__to__gray.html#gac5785c4a518b5473fa422d0a00999d29">nppiRGBToGray_16u_C3C1R_Ctx</a> (const <a class="el" href="group__npp__basic__types.html#ga6eb03aa649607e6a5e25affb0abd36db">Npp16u</a> *pSrc, int nSrcStep, <a class="el" href="group__npp__basic__types.html#ga6eb03aa649607e6a5e25affb0abd36db">Npp16u</a> *pDst, int nDstStep, <a class="el" href="struct_nppi_size.html">NppiSize</a> oSizeROI, <a class="el" href="struct_npp_stream_context.html">NppStreamContext</a> nppStreamCtx)</td></tr>
<tr class="memdesc:gac5785c4a518b5473fa422d0a00999d29"><td class="mdescLeft"> </td><td class="mdescRight">3 channel 16-bit unsigned packed RGB to 1 channel 16-bit unsigned packed Gray conversion. <a href="#gac5785c4a518b5473fa422d0a00999d29">More...</a><br/></td></tr>
<tr class="separator:gac5785c4a518b5473fa422d0a00999d29"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga1a304355a5aa5698409942c11eb5b8b8"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__image__color__to__gray.html#ga1a304355a5aa5698409942c11eb5b8b8">nppiRGBToGray_16u_C3C1R</a> (const <a class="el" href="group__npp__basic__types.html#ga6eb03aa649607e6a5e25affb0abd36db">Npp16u</a> *pSrc, int nSrcStep, <a class="el" href="group__npp__basic__types.html#ga6eb03aa649607e6a5e25affb0abd36db">Npp16u</a> *pDst, int nDstStep, <a class="el" href="struct_nppi_size.html">NppiSize</a> oSizeROI)</td></tr>
<tr class="separator:ga1a304355a5aa5698409942c11eb5b8b8"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga714228bc4d88c13306894c6e3f1acaac"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__image__color__to__gray.html#ga714228bc4d88c13306894c6e3f1acaac">nppiRGBToGray_16u_AC4C1R_Ctx</a> (const <a class="el" href="group__npp__basic__types.html#ga6eb03aa649607e6a5e25affb0abd36db">Npp16u</a> *pSrc, int nSrcStep, <a class="el" href="group__npp__basic__types.html#ga6eb03aa649607e6a5e25affb0abd36db">Npp16u</a> *pDst, int nDstStep, <a class="el" href="struct_nppi_size.html">NppiSize</a> oSizeROI, <a class="el" href="struct_npp_stream_context.html">NppStreamContext</a> nppStreamCtx)</td></tr>
<tr class="memdesc:ga714228bc4d88c13306894c6e3f1acaac"><td class="mdescLeft"> </td><td class="mdescRight">4 channel 16-bit unsigned packed RGB with alpha to 1 channel 16-bit unsigned packed Gray conversion. <a href="#ga714228bc4d88c13306894c6e3f1acaac">More...</a><br/></td></tr>
<tr class="separator:ga714228bc4d88c13306894c6e3f1acaac"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga14c357b2575e69d8a71ab31caa0ba4f4"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__image__color__to__gray.html#ga14c357b2575e69d8a71ab31caa0ba4f4">nppiRGBToGray_16u_AC4C1R</a> (const <a class="el" href="group__npp__basic__types.html#ga6eb03aa649607e6a5e25affb0abd36db">Npp16u</a> *pSrc, int nSrcStep, <a class="el" href="group__npp__basic__types.html#ga6eb03aa649607e6a5e25affb0abd36db">Npp16u</a> *pDst, int nDstStep, <a class="el" href="struct_nppi_size.html">NppiSize</a> oSizeROI)</td></tr>
<tr class="separator:ga14c357b2575e69d8a71ab31caa0ba4f4"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga9bb2f5e388c4c7cfd9ff80a18f28c09a"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__image__color__to__gray.html#ga9bb2f5e388c4c7cfd9ff80a18f28c09a">nppiRGBToGray_16s_C3C1R_Ctx</a> (const <a class="el" href="group__npp__basic__types.html#ga2eea681138ed3607f6a540f8a1c73b85">Npp16s</a> *pSrc, int nSrcStep, <a class="el" href="group__npp__basic__types.html#ga2eea681138ed3607f6a540f8a1c73b85">Npp16s</a> *pDst, int nDstStep, <a class="el" href="struct_nppi_size.html">NppiSize</a> oSizeROI, <a class="el" href="struct_npp_stream_context.html">NppStreamContext</a> nppStreamCtx)</td></tr>
<tr class="memdesc:ga9bb2f5e388c4c7cfd9ff80a18f28c09a"><td class="mdescLeft"> </td><td class="mdescRight">3 channel 16-bit signed packed RGB to 1 channel 16-bit signed packed Gray conversion. <a href="#ga9bb2f5e388c4c7cfd9ff80a18f28c09a">More...</a><br/></td></tr>
<tr class="separator:ga9bb2f5e388c4c7cfd9ff80a18f28c09a"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga311c0a4724ee969602617e0685c0e6ba"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__image__color__to__gray.html#ga311c0a4724ee969602617e0685c0e6ba">nppiRGBToGray_16s_C3C1R</a> (const <a class="el" href="group__npp__basic__types.html#ga2eea681138ed3607f6a540f8a1c73b85">Npp16s</a> *pSrc, int nSrcStep, <a class="el" href="group__npp__basic__types.html#ga2eea681138ed3607f6a540f8a1c73b85">Npp16s</a> *pDst, int nDstStep, <a class="el" href="struct_nppi_size.html">NppiSize</a> oSizeROI)</td></tr>
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<tr class="memitem:ga47c0021674aa530b9f909a8ea973d5d4"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__image__color__to__gray.html#ga47c0021674aa530b9f909a8ea973d5d4">nppiRGBToGray_16s_AC4C1R_Ctx</a> (const <a class="el" href="group__npp__basic__types.html#ga2eea681138ed3607f6a540f8a1c73b85">Npp16s</a> *pSrc, int nSrcStep, <a class="el" href="group__npp__basic__types.html#ga2eea681138ed3607f6a540f8a1c73b85">Npp16s</a> *pDst, int nDstStep, <a class="el" href="struct_nppi_size.html">NppiSize</a> oSizeROI, <a class="el" href="struct_npp_stream_context.html">NppStreamContext</a> nppStreamCtx)</td></tr>
<tr class="memdesc:ga47c0021674aa530b9f909a8ea973d5d4"><td class="mdescLeft"> </td><td class="mdescRight">4 channel 16-bit signed packed RGB with alpha to 1 channel 16-bit signed packed Gray conversion. <a href="#ga47c0021674aa530b9f909a8ea973d5d4">More...</a><br/></td></tr>
<tr class="separator:ga47c0021674aa530b9f909a8ea973d5d4"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gae57103c6cee77817dc68fbb34029374a"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__image__color__to__gray.html#gae57103c6cee77817dc68fbb34029374a">nppiRGBToGray_16s_AC4C1R</a> (const <a class="el" href="group__npp__basic__types.html#ga2eea681138ed3607f6a540f8a1c73b85">Npp16s</a> *pSrc, int nSrcStep, <a class="el" href="group__npp__basic__types.html#ga2eea681138ed3607f6a540f8a1c73b85">Npp16s</a> *pDst, int nDstStep, <a class="el" href="struct_nppi_size.html">NppiSize</a> oSizeROI)</td></tr>
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<tr class="memdesc:gaf892e15019321bb537d6f4a154dcf458"><td class="mdescLeft"> </td><td class="mdescRight">3 channel 32-bit floating point packed RGB to 1 channel 32-bit floating point packed Gray conversion. <a href="#gaf892e15019321bb537d6f4a154dcf458">More...</a><br/></td></tr>
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<tr class="memdesc:gac5af75c65a62d70150abed7ccded9c72"><td class="mdescLeft"> </td><td class="mdescRight">4 channel 32-bit floating point packed RGB with alpha to 1 channel 32-bit floating point packed Gray conversion. <a href="#gac5af75c65a62d70150abed7ccded9c72">More...</a><br/></td></tr>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="member-group"></a>
ColorToGray</h2></td></tr>
<tr><td class="ititle" colspan="2"><p><a class="anchor" id="amgrp730f6685dcb9545191fbcff00328536c"></a>RGB Color to Gray conversion using user supplied conversion coefficients.</p>
<p>Here is how NPP converts gamma corrected RGB Color to Gray using user supplied conversion coefficients.</p>
<div class="fragment"><div class="line">* nGray = aCoeffs[0] * R + aCoeffs[1] * G + aCoeffs[2] * B;</div>
<div class="line">* </div>
</div><!-- fragment --><p>For the C4C1R versions of the functions the calculations are as follows. For BGRA or other formats with alpha just rearrange the coefficients accordingly.</p>
<div class="fragment"><div class="line">* nGray = aCoeffs[0] * R + aCoeffs[1] * G + aCoeffs[2] * B + aCoeffs[3] * A;</div>
<div class="line">* </div>
</div><!-- fragment --> </td></tr>
<tr class="memitem:ga6becd9d34475efd5cbf05925ee121cf2"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__image__color__to__gray.html#ga6becd9d34475efd5cbf05925ee121cf2">nppiColorToGray_8u_C3C1R_Ctx</a> (const <a class="el" href="group__npp__basic__types.html#ga29b502b6816fc0066fd59538483a5b62">Npp8u</a> *pSrc, int nSrcStep, <a class="el" href="group__npp__basic__types.html#ga29b502b6816fc0066fd59538483a5b62">Npp8u</a> *pDst, int nDstStep, <a class="el" href="struct_nppi_size.html">NppiSize</a> oSizeROI, const <a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> aCoeffs[3], <a class="el" href="struct_npp_stream_context.html">NppStreamContext</a> nppStreamCtx)</td></tr>
<tr class="memdesc:ga6becd9d34475efd5cbf05925ee121cf2"><td class="mdescLeft"> </td><td class="mdescRight">3 channel 8-bit unsigned packed RGB to 1 channel 8-bit unsigned packed Gray conversion. <a href="#ga6becd9d34475efd5cbf05925ee121cf2">More...</a><br/></td></tr>
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<tr class="memitem:ga411a9685d855f6da3d81b30b9552b3a5"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__image__color__to__gray.html#ga411a9685d855f6da3d81b30b9552b3a5">nppiColorToGray_8u_AC4C1R_Ctx</a> (const <a class="el" href="group__npp__basic__types.html#ga29b502b6816fc0066fd59538483a5b62">Npp8u</a> *pSrc, int nSrcStep, <a class="el" href="group__npp__basic__types.html#ga29b502b6816fc0066fd59538483a5b62">Npp8u</a> *pDst, int nDstStep, <a class="el" href="struct_nppi_size.html">NppiSize</a> oSizeROI, const <a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> aCoeffs[3], <a class="el" href="struct_npp_stream_context.html">NppStreamContext</a> nppStreamCtx)</td></tr>
<tr class="memdesc:ga411a9685d855f6da3d81b30b9552b3a5"><td class="mdescLeft"> </td><td class="mdescRight">4 channel 8-bit unsigned packed RGB with alpha to 1 channel 8-bit unsigned packed Gray conversion. <a href="#ga411a9685d855f6da3d81b30b9552b3a5">More...</a><br/></td></tr>
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<tr class="memitem:ga8e70592ee5ebd52ac5fe39076bd75d5a"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__image__color__to__gray.html#ga8e70592ee5ebd52ac5fe39076bd75d5a">nppiColorToGray_8u_AC4C1R</a> (const <a class="el" href="group__npp__basic__types.html#ga29b502b6816fc0066fd59538483a5b62">Npp8u</a> *pSrc, int nSrcStep, <a class="el" href="group__npp__basic__types.html#ga29b502b6816fc0066fd59538483a5b62">Npp8u</a> *pDst, int nDstStep, <a class="el" href="struct_nppi_size.html">NppiSize</a> oSizeROI, const <a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> aCoeffs[3])</td></tr>
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<tr class="memitem:ga1c3208010dc2bab94cd0323e2cc62a48"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__image__color__to__gray.html#ga1c3208010dc2bab94cd0323e2cc62a48">nppiColorToGray_8u_C4C1R_Ctx</a> (const <a class="el" href="group__npp__basic__types.html#ga29b502b6816fc0066fd59538483a5b62">Npp8u</a> *pSrc, int nSrcStep, <a class="el" href="group__npp__basic__types.html#ga29b502b6816fc0066fd59538483a5b62">Npp8u</a> *pDst, int nDstStep, <a class="el" href="struct_nppi_size.html">NppiSize</a> oSizeROI, const <a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> aCoeffs[4], <a class="el" href="struct_npp_stream_context.html">NppStreamContext</a> nppStreamCtx)</td></tr>
<tr class="memdesc:ga1c3208010dc2bab94cd0323e2cc62a48"><td class="mdescLeft"> </td><td class="mdescRight">4 channel 8-bit unsigned packed RGBA to 1 channel 8-bit unsigned packed Gray conversion. <a href="#ga1c3208010dc2bab94cd0323e2cc62a48">More...</a><br/></td></tr>
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<tr class="memdesc:ga90eadc3f120fca2f20b5e1cf26b5c739"><td class="mdescLeft"> </td><td class="mdescRight">3 channel 16-bit unsigned packed RGB to 1 channel 16-bit unsigned packed Gray conversion. <a href="#ga90eadc3f120fca2f20b5e1cf26b5c739">More...</a><br/></td></tr>
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<tr class="memitem:ga85e29bc8de220b02a1153b3e3e70722c"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__image__color__to__gray.html#ga85e29bc8de220b02a1153b3e3e70722c">nppiColorToGray_16u_C3C1R</a> (const <a class="el" href="group__npp__basic__types.html#ga6eb03aa649607e6a5e25affb0abd36db">Npp16u</a> *pSrc, int nSrcStep, <a class="el" href="group__npp__basic__types.html#ga6eb03aa649607e6a5e25affb0abd36db">Npp16u</a> *pDst, int nDstStep, <a class="el" href="struct_nppi_size.html">NppiSize</a> oSizeROI, const <a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> aCoeffs[3])</td></tr>
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<tr class="memitem:gaebeccd86d15c713f5affd1db355d5532"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__image__color__to__gray.html#gaebeccd86d15c713f5affd1db355d5532">nppiColorToGray_16u_AC4C1R_Ctx</a> (const <a class="el" href="group__npp__basic__types.html#ga6eb03aa649607e6a5e25affb0abd36db">Npp16u</a> *pSrc, int nSrcStep, <a class="el" href="group__npp__basic__types.html#ga6eb03aa649607e6a5e25affb0abd36db">Npp16u</a> *pDst, int nDstStep, <a class="el" href="struct_nppi_size.html">NppiSize</a> oSizeROI, const <a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> aCoeffs[3], <a class="el" href="struct_npp_stream_context.html">NppStreamContext</a> nppStreamCtx)</td></tr>
<tr class="memdesc:gaebeccd86d15c713f5affd1db355d5532"><td class="mdescLeft"> </td><td class="mdescRight">4 channel 16-bit unsigned packed RGB with alpha to 1 channel 16-bit unsigned packed Gray conversion. <a href="#gaebeccd86d15c713f5affd1db355d5532">More...</a><br/></td></tr>
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<tr class="memitem:gac804b92ce44803e82a9200fad490c022"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__image__color__to__gray.html#gac804b92ce44803e82a9200fad490c022">nppiColorToGray_16u_C4C1R_Ctx</a> (const <a class="el" href="group__npp__basic__types.html#ga6eb03aa649607e6a5e25affb0abd36db">Npp16u</a> *pSrc, int nSrcStep, <a class="el" href="group__npp__basic__types.html#ga6eb03aa649607e6a5e25affb0abd36db">Npp16u</a> *pDst, int nDstStep, <a class="el" href="struct_nppi_size.html">NppiSize</a> oSizeROI, const <a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> aCoeffs[4], <a class="el" href="struct_npp_stream_context.html">NppStreamContext</a> nppStreamCtx)</td></tr>
<tr class="memdesc:gac804b92ce44803e82a9200fad490c022"><td class="mdescLeft"> </td><td class="mdescRight">4 channel 16-bit unsigned packed RGBA to 1 channel 16-bit unsigned packed Gray conversion. <a href="#gac804b92ce44803e82a9200fad490c022">More...</a><br/></td></tr>
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<tr class="memitem:gabd5f943910e22c677359f1af9357493e"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__image__color__to__gray.html#gabd5f943910e22c677359f1af9357493e">nppiColorToGray_16s_C3C1R_Ctx</a> (const <a class="el" href="group__npp__basic__types.html#ga2eea681138ed3607f6a540f8a1c73b85">Npp16s</a> *pSrc, int nSrcStep, <a class="el" href="group__npp__basic__types.html#ga2eea681138ed3607f6a540f8a1c73b85">Npp16s</a> *pDst, int nDstStep, <a class="el" href="struct_nppi_size.html">NppiSize</a> oSizeROI, const <a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> aCoeffs[3], <a class="el" href="struct_npp_stream_context.html">NppStreamContext</a> nppStreamCtx)</td></tr>
<tr class="memdesc:gabd5f943910e22c677359f1af9357493e"><td class="mdescLeft"> </td><td class="mdescRight">3 channel 16-bit signed packed RGB to 1 channel 16-bit signed packed Gray conversion. <a href="#gabd5f943910e22c677359f1af9357493e">More...</a><br/></td></tr>
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<tr class="memitem:gab53244eb373b84fa0dcc9a411c5416ab"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__image__color__to__gray.html#gab53244eb373b84fa0dcc9a411c5416ab">nppiColorToGray_16s_C3C1R</a> (const <a class="el" href="group__npp__basic__types.html#ga2eea681138ed3607f6a540f8a1c73b85">Npp16s</a> *pSrc, int nSrcStep, <a class="el" href="group__npp__basic__types.html#ga2eea681138ed3607f6a540f8a1c73b85">Npp16s</a> *pDst, int nDstStep, <a class="el" href="struct_nppi_size.html">NppiSize</a> oSizeROI, const <a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> aCoeffs[3])</td></tr>
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<tr class="memitem:ga8e17b8c4122cac303f3dcd6fce79da43"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__image__color__to__gray.html#ga8e17b8c4122cac303f3dcd6fce79da43">nppiColorToGray_16s_AC4C1R_Ctx</a> (const <a class="el" href="group__npp__basic__types.html#ga2eea681138ed3607f6a540f8a1c73b85">Npp16s</a> *pSrc, int nSrcStep, <a class="el" href="group__npp__basic__types.html#ga2eea681138ed3607f6a540f8a1c73b85">Npp16s</a> *pDst, int nDstStep, <a class="el" href="struct_nppi_size.html">NppiSize</a> oSizeROI, const <a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> aCoeffs[3], <a class="el" href="struct_npp_stream_context.html">NppStreamContext</a> nppStreamCtx)</td></tr>
<tr class="memdesc:ga8e17b8c4122cac303f3dcd6fce79da43"><td class="mdescLeft"> </td><td class="mdescRight">4 channel 16-bit signed packed RGB with alpha to 1 channel 16-bit signed packed Gray conversion. <a href="#ga8e17b8c4122cac303f3dcd6fce79da43">More...</a><br/></td></tr>
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<tr class="memitem:ga58363e3243caf9bb60c458e64a496fd9"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__image__color__to__gray.html#ga58363e3243caf9bb60c458e64a496fd9">nppiColorToGray_16s_C4C1R_Ctx</a> (const <a class="el" href="group__npp__basic__types.html#ga2eea681138ed3607f6a540f8a1c73b85">Npp16s</a> *pSrc, int nSrcStep, <a class="el" href="group__npp__basic__types.html#ga2eea681138ed3607f6a540f8a1c73b85">Npp16s</a> *pDst, int nDstStep, <a class="el" href="struct_nppi_size.html">NppiSize</a> oSizeROI, const <a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> aCoeffs[4], <a class="el" href="struct_npp_stream_context.html">NppStreamContext</a> nppStreamCtx)</td></tr>
<tr class="memdesc:ga58363e3243caf9bb60c458e64a496fd9"><td class="mdescLeft"> </td><td class="mdescRight">4 channel 16-bit signed packed RGBA to 1 channel 16-bit signed packed Gray conversion. <a href="#ga58363e3243caf9bb60c458e64a496fd9">More...</a><br/></td></tr>
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<tr class="memitem:ga4f2a5626550c5f8e4c84022879b01956"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__image__color__to__gray.html#ga4f2a5626550c5f8e4c84022879b01956">nppiColorToGray_16s_C4C1R</a> (const <a class="el" href="group__npp__basic__types.html#ga2eea681138ed3607f6a540f8a1c73b85">Npp16s</a> *pSrc, int nSrcStep, <a class="el" href="group__npp__basic__types.html#ga2eea681138ed3607f6a540f8a1c73b85">Npp16s</a> *pDst, int nDstStep, <a class="el" href="struct_nppi_size.html">NppiSize</a> oSizeROI, const <a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> aCoeffs[4])</td></tr>
<tr class="separator:ga4f2a5626550c5f8e4c84022879b01956"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gaad8b5c34cdda9a39f12ce8af80a09ecc"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__image__color__to__gray.html#gaad8b5c34cdda9a39f12ce8af80a09ecc">nppiColorToGray_32f_C3C1R_Ctx</a> (const <a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> *pSrc, int nSrcStep, <a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> *pDst, int nDstStep, <a class="el" href="struct_nppi_size.html">NppiSize</a> oSizeROI, const <a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> aCoeffs[3], <a class="el" href="struct_npp_stream_context.html">NppStreamContext</a> nppStreamCtx)</td></tr>
<tr class="memdesc:gaad8b5c34cdda9a39f12ce8af80a09ecc"><td class="mdescLeft"> </td><td class="mdescRight">3 channel 32-bit floating point packed RGB to 1 channel 32-bit floating point packed Gray conversion. <a href="#gaad8b5c34cdda9a39f12ce8af80a09ecc">More...</a><br/></td></tr>
<tr class="separator:gaad8b5c34cdda9a39f12ce8af80a09ecc"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gad55ceef9130c0b14587d82ef63acb777"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__image__color__to__gray.html#gad55ceef9130c0b14587d82ef63acb777">nppiColorToGray_32f_C3C1R</a> (const <a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> *pSrc, int nSrcStep, <a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> *pDst, int nDstStep, <a class="el" href="struct_nppi_size.html">NppiSize</a> oSizeROI, const <a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> aCoeffs[3])</td></tr>
<tr class="separator:gad55ceef9130c0b14587d82ef63acb777"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga398cc52e4b79a1a980864bf3a4a9fe28"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__image__color__to__gray.html#ga398cc52e4b79a1a980864bf3a4a9fe28">nppiColorToGray_32f_AC4C1R_Ctx</a> (const <a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> *pSrc, int nSrcStep, <a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> *pDst, int nDstStep, <a class="el" href="struct_nppi_size.html">NppiSize</a> oSizeROI, const <a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> aCoeffs[3], <a class="el" href="struct_npp_stream_context.html">NppStreamContext</a> nppStreamCtx)</td></tr>
<tr class="memdesc:ga398cc52e4b79a1a980864bf3a4a9fe28"><td class="mdescLeft"> </td><td class="mdescRight">4 channel 32-bit floating point packed RGB with alpha to 1 channel 32-bit floating point packed Gray conversion. <a href="#ga398cc52e4b79a1a980864bf3a4a9fe28">More...</a><br/></td></tr>
<tr class="separator:ga398cc52e4b79a1a980864bf3a4a9fe28"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga394979ba0150db3e7481d6903fbf6d80"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__image__color__to__gray.html#ga394979ba0150db3e7481d6903fbf6d80">nppiColorToGray_32f_AC4C1R</a> (const <a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> *pSrc, int nSrcStep, <a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> *pDst, int nDstStep, <a class="el" href="struct_nppi_size.html">NppiSize</a> oSizeROI, const <a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> aCoeffs[3])</td></tr>
<tr class="separator:ga394979ba0150db3e7481d6903fbf6d80"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga72a8328e863f138a5d470f6ba2e425dc"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__image__color__to__gray.html#ga72a8328e863f138a5d470f6ba2e425dc">nppiColorToGray_32f_C4C1R_Ctx</a> (const <a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> *pSrc, int nSrcStep, <a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> *pDst, int nDstStep, <a class="el" href="struct_nppi_size.html">NppiSize</a> oSizeROI, const <a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> aCoeffs[4], <a class="el" href="struct_npp_stream_context.html">NppStreamContext</a> nppStreamCtx)</td></tr>
<tr class="memdesc:ga72a8328e863f138a5d470f6ba2e425dc"><td class="mdescLeft"> </td><td class="mdescRight">4 channel 32-bit floating point packed RGBA to 1 channel 32-bit floating point packed Gray conversion. <a href="#ga72a8328e863f138a5d470f6ba2e425dc">More...</a><br/></td></tr>
<tr class="separator:ga72a8328e863f138a5d470f6ba2e425dc"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga6e773197e33a617f59f7dd49eb797e1b"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__image__color__to__gray.html#ga6e773197e33a617f59f7dd49eb797e1b">nppiColorToGray_32f_C4C1R</a> (const <a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> *pSrc, int nSrcStep, <a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> *pDst, int nDstStep, <a class="el" href="struct_nppi_size.html">NppiSize</a> oSizeROI, const <a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> aCoeffs[4])</td></tr>
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<tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="member-group"></a>
GradientColorToGray</h2></td></tr>
<tr><td class="ititle" colspan="2"><p><a class="anchor" id="amgrpe849684b8d6cd4ce8cc4bf9cf8fb38a3"></a>RGB Color to Gray Gradient conversion using user selected gradient distance method. </p>
</td></tr>
<tr class="memitem:ga2b0dc1ed68343f02d3987c3d689b7858"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__image__color__to__gray.html#ga2b0dc1ed68343f02d3987c3d689b7858">nppiGradientColorToGray_8u_C3C1R_Ctx</a> (const <a class="el" href="group__npp__basic__types.html#ga29b502b6816fc0066fd59538483a5b62">Npp8u</a> *pSrc, int nSrcStep, <a class="el" href="group__npp__basic__types.html#ga29b502b6816fc0066fd59538483a5b62">Npp8u</a> *pDst, int nDstStep, <a class="el" href="struct_nppi_size.html">NppiSize</a> oSizeROI, <a class="el" href="group__typedefs__npp.html#ga81369e9ddeddecd27995770d0ad0f1a5">NppiNorm</a> eNorm, <a class="el" href="struct_npp_stream_context.html">NppStreamContext</a> nppStreamCtx)</td></tr>
<tr class="memdesc:ga2b0dc1ed68343f02d3987c3d689b7858"><td class="mdescLeft"> </td><td class="mdescRight">3 channel 8-bit unsigned packed RGB to 1 channel 8-bit unsigned packed Gray Gradient conversion. <a href="#ga2b0dc1ed68343f02d3987c3d689b7858">More...</a><br/></td></tr>
<tr class="separator:ga2b0dc1ed68343f02d3987c3d689b7858"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga2cab24d19f17122482d3e8b05e3e9a45"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__image__color__to__gray.html#ga2cab24d19f17122482d3e8b05e3e9a45">nppiGradientColorToGray_8u_C3C1R</a> (const <a class="el" href="group__npp__basic__types.html#ga29b502b6816fc0066fd59538483a5b62">Npp8u</a> *pSrc, int nSrcStep, <a class="el" href="group__npp__basic__types.html#ga29b502b6816fc0066fd59538483a5b62">Npp8u</a> *pDst, int nDstStep, <a class="el" href="struct_nppi_size.html">NppiSize</a> oSizeROI, <a class="el" href="group__typedefs__npp.html#ga81369e9ddeddecd27995770d0ad0f1a5">NppiNorm</a> eNorm)</td></tr>
<tr class="separator:ga2cab24d19f17122482d3e8b05e3e9a45"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gaf889fbde37bd5bb631accce362e2013f"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__image__color__to__gray.html#gaf889fbde37bd5bb631accce362e2013f">nppiGradientColorToGray_16u_C3C1R_Ctx</a> (const <a class="el" href="group__npp__basic__types.html#ga6eb03aa649607e6a5e25affb0abd36db">Npp16u</a> *pSrc, int nSrcStep, <a class="el" href="group__npp__basic__types.html#ga6eb03aa649607e6a5e25affb0abd36db">Npp16u</a> *pDst, int nDstStep, <a class="el" href="struct_nppi_size.html">NppiSize</a> oSizeROI, <a class="el" href="group__typedefs__npp.html#ga81369e9ddeddecd27995770d0ad0f1a5">NppiNorm</a> eNorm, <a class="el" href="struct_npp_stream_context.html">NppStreamContext</a> nppStreamCtx)</td></tr>
<tr class="memdesc:gaf889fbde37bd5bb631accce362e2013f"><td class="mdescLeft"> </td><td class="mdescRight">3 channel 16-bit unsigned packed RGB to 1 channel 16-bit unsigned packed Gray Gradient conversion. <a href="#gaf889fbde37bd5bb631accce362e2013f">More...</a><br/></td></tr>
<tr class="separator:gaf889fbde37bd5bb631accce362e2013f"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga8c3e84c59a33148d2d019cbfd4ee6993"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__image__color__to__gray.html#ga8c3e84c59a33148d2d019cbfd4ee6993">nppiGradientColorToGray_16u_C3C1R</a> (const <a class="el" href="group__npp__basic__types.html#ga6eb03aa649607e6a5e25affb0abd36db">Npp16u</a> *pSrc, int nSrcStep, <a class="el" href="group__npp__basic__types.html#ga6eb03aa649607e6a5e25affb0abd36db">Npp16u</a> *pDst, int nDstStep, <a class="el" href="struct_nppi_size.html">NppiSize</a> oSizeROI, <a class="el" href="group__typedefs__npp.html#ga81369e9ddeddecd27995770d0ad0f1a5">NppiNorm</a> eNorm)</td></tr>
<tr class="separator:ga8c3e84c59a33148d2d019cbfd4ee6993"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gaf439b8551773e267eca3fe5c1c527ef6"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__image__color__to__gray.html#gaf439b8551773e267eca3fe5c1c527ef6">nppiGradientColorToGray_16s_C3C1R_Ctx</a> (const <a class="el" href="group__npp__basic__types.html#ga2eea681138ed3607f6a540f8a1c73b85">Npp16s</a> *pSrc, int nSrcStep, <a class="el" href="group__npp__basic__types.html#ga2eea681138ed3607f6a540f8a1c73b85">Npp16s</a> *pDst, int nDstStep, <a class="el" href="struct_nppi_size.html">NppiSize</a> oSizeROI, <a class="el" href="group__typedefs__npp.html#ga81369e9ddeddecd27995770d0ad0f1a5">NppiNorm</a> eNorm, <a class="el" href="struct_npp_stream_context.html">NppStreamContext</a> nppStreamCtx)</td></tr>
<tr class="memdesc:gaf439b8551773e267eca3fe5c1c527ef6"><td class="mdescLeft"> </td><td class="mdescRight">3 channel 16-bit signed packed RGB to 1 channel 16-bit signed packed Gray Gradient conversion. <a href="#gaf439b8551773e267eca3fe5c1c527ef6">More...</a><br/></td></tr>
<tr class="separator:gaf439b8551773e267eca3fe5c1c527ef6"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga0e5378a2557ed8c35e756af549f0972a"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__image__color__to__gray.html#ga0e5378a2557ed8c35e756af549f0972a">nppiGradientColorToGray_16s_C3C1R</a> (const <a class="el" href="group__npp__basic__types.html#ga2eea681138ed3607f6a540f8a1c73b85">Npp16s</a> *pSrc, int nSrcStep, <a class="el" href="group__npp__basic__types.html#ga2eea681138ed3607f6a540f8a1c73b85">Npp16s</a> *pDst, int nDstStep, <a class="el" href="struct_nppi_size.html">NppiSize</a> oSizeROI, <a class="el" href="group__typedefs__npp.html#ga81369e9ddeddecd27995770d0ad0f1a5">NppiNorm</a> eNorm)</td></tr>
<tr class="separator:ga0e5378a2557ed8c35e756af549f0972a"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:gaebcb276dde9d316b11ecd783068a06e7"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__image__color__to__gray.html#gaebcb276dde9d316b11ecd783068a06e7">nppiGradientColorToGray_32f_C3C1R_Ctx</a> (const <a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> *pSrc, int nSrcStep, <a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> *pDst, int nDstStep, <a class="el" href="struct_nppi_size.html">NppiSize</a> oSizeROI, <a class="el" href="group__typedefs__npp.html#ga81369e9ddeddecd27995770d0ad0f1a5">NppiNorm</a> eNorm, <a class="el" href="struct_npp_stream_context.html">NppStreamContext</a> nppStreamCtx)</td></tr>
<tr class="memdesc:gaebcb276dde9d316b11ecd783068a06e7"><td class="mdescLeft"> </td><td class="mdescRight">3 channel 32-bit floating point packed RGB to 1 channel 32-bit floating point packed Gray Gradient conversion. <a href="#gaebcb276dde9d316b11ecd783068a06e7">More...</a><br/></td></tr>
<tr class="separator:gaebcb276dde9d316b11ecd783068a06e7"><td class="memSeparator" colspan="2"> </td></tr>
<tr class="memitem:ga65f5395d5b92548510fd7fe5696e81ac"><td class="memItemLeft" align="right" valign="top"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> </td><td class="memItemRight" valign="bottom"><a class="el" href="group__image__color__to__gray.html#ga65f5395d5b92548510fd7fe5696e81ac">nppiGradientColorToGray_32f_C3C1R</a> (const <a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> *pSrc, int nSrcStep, <a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> *pDst, int nDstStep, <a class="el" href="struct_nppi_size.html">NppiSize</a> oSizeROI, <a class="el" href="group__typedefs__npp.html#ga81369e9ddeddecd27995770d0ad0f1a5">NppiNorm</a> eNorm)</td></tr>
<tr class="separator:ga65f5395d5b92548510fd7fe5696e81ac"><td class="memSeparator" colspan="2"> </td></tr>
</table>
<a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2>
<p>Routines for converting color images to grayscale. </p>
<h2 class="groupheader">Function Documentation</h2>
<a class="anchor" id="gaf8316ed2c66a1dceb802e67df9071462"></a>
<div class="memitem">
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<table class="memname">
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<td class="memname"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> nppiColorToGray_16s_AC4C1R </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="group__npp__basic__types.html#ga2eea681138ed3607f6a540f8a1c73b85">Npp16s</a> * </td>
<td class="paramname"><em>pSrc</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>nSrcStep</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group__npp__basic__types.html#ga2eea681138ed3607f6a540f8a1c73b85">Npp16s</a> * </td>
<td class="paramname"><em>pDst</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>nDstStep</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="struct_nppi_size.html">NppiSize</a> </td>
<td class="paramname"><em>oSizeROI</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> </td>
<td class="paramname"><em>aCoeffs</em>[3] </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
</div>
</div>
<a class="anchor" id="ga8e17b8c4122cac303f3dcd6fce79da43"></a>
<div class="memitem">
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<td class="memname"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> nppiColorToGray_16s_AC4C1R_Ctx </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="group__npp__basic__types.html#ga2eea681138ed3607f6a540f8a1c73b85">Npp16s</a> * </td>
<td class="paramname"><em>pSrc</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>nSrcStep</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group__npp__basic__types.html#ga2eea681138ed3607f6a540f8a1c73b85">Npp16s</a> * </td>
<td class="paramname"><em>pDst</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>nDstStep</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="struct_nppi_size.html">NppiSize</a> </td>
<td class="paramname"><em>oSizeROI</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> </td>
<td class="paramname"><em>aCoeffs</em>[3], </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="struct_npp_stream_context.html">NppStreamContext</a> </td>
<td class="paramname"><em>nppStreamCtx</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>4 channel 16-bit signed packed RGB with alpha to 1 channel 16-bit signed packed Gray conversion. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">pSrc</td><td><a class="el" href="nppi_conventions_lb.html#source_image_pointer">Source-Image Pointer</a>. </td></tr>
<tr><td class="paramname">nSrcStep</td><td><a class="el" href="nppi_conventions_lb.html#source_image_line_step">Source-Image Line Step</a>. </td></tr>
<tr><td class="paramname">pDst</td><td><a class="el" href="nppi_conventions_lb.html#destination_image_pointer">Destination-Image Pointer</a>. </td></tr>
<tr><td class="paramname">nDstStep</td><td><a class="el" href="nppi_conventions_lb.html#destination_image_line_step">Destination-Image Line Step</a>. </td></tr>
<tr><td class="paramname">oSizeROI</td><td><a class="el" href="nppi_conventions_lb.html#roi_specification">Region-of-Interest (ROI)</a>. </td></tr>
<tr><td class="paramname">aCoeffs</td><td>fixed size array of constant floating point conversion coefficient values, one per color channel. </td></tr>
<tr><td class="paramname">nppStreamCtx</td><td><a class="el" href="index.html#application_managed_stream_context">Application Managed Stream Context</a>. </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd><a class="el" href="nppi_conventions_lb.html#image_data_error_codes">Image Data Related Error Codes</a>, <a class="el" href="nppi_conventions_lb.html#roi_error_codes">ROI Related Error Codes</a> </dd></dl>
</div>
</div>
<a class="anchor" id="gab53244eb373b84fa0dcc9a411c5416ab"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> nppiColorToGray_16s_C3C1R </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="group__npp__basic__types.html#ga2eea681138ed3607f6a540f8a1c73b85">Npp16s</a> * </td>
<td class="paramname"><em>pSrc</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>nSrcStep</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group__npp__basic__types.html#ga2eea681138ed3607f6a540f8a1c73b85">Npp16s</a> * </td>
<td class="paramname"><em>pDst</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>nDstStep</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="struct_nppi_size.html">NppiSize</a> </td>
<td class="paramname"><em>oSizeROI</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> </td>
<td class="paramname"><em>aCoeffs</em>[3] </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
</div>
</div>
<a class="anchor" id="gabd5f943910e22c677359f1af9357493e"></a>
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<td class="memname"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> nppiColorToGray_16s_C3C1R_Ctx </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="group__npp__basic__types.html#ga2eea681138ed3607f6a540f8a1c73b85">Npp16s</a> * </td>
<td class="paramname"><em>pSrc</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>nSrcStep</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group__npp__basic__types.html#ga2eea681138ed3607f6a540f8a1c73b85">Npp16s</a> * </td>
<td class="paramname"><em>pDst</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>nDstStep</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="struct_nppi_size.html">NppiSize</a> </td>
<td class="paramname"><em>oSizeROI</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> </td>
<td class="paramname"><em>aCoeffs</em>[3], </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="struct_npp_stream_context.html">NppStreamContext</a> </td>
<td class="paramname"><em>nppStreamCtx</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>3 channel 16-bit signed packed RGB to 1 channel 16-bit signed packed Gray conversion. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">pSrc</td><td><a class="el" href="nppi_conventions_lb.html#source_image_pointer">Source-Image Pointer</a>. </td></tr>
<tr><td class="paramname">nSrcStep</td><td><a class="el" href="nppi_conventions_lb.html#source_image_line_step">Source-Image Line Step</a>. </td></tr>
<tr><td class="paramname">pDst</td><td><a class="el" href="nppi_conventions_lb.html#destination_image_pointer">Destination-Image Pointer</a>. </td></tr>
<tr><td class="paramname">nDstStep</td><td><a class="el" href="nppi_conventions_lb.html#destination_image_line_step">Destination-Image Line Step</a>. </td></tr>
<tr><td class="paramname">oSizeROI</td><td><a class="el" href="nppi_conventions_lb.html#roi_specification">Region-of-Interest (ROI)</a>. </td></tr>
<tr><td class="paramname">aCoeffs</td><td>fixed size array of constant floating point conversion coefficient values, one per color channel. </td></tr>
<tr><td class="paramname">nppStreamCtx</td><td><a class="el" href="index.html#application_managed_stream_context">Application Managed Stream Context</a>. </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd><a class="el" href="nppi_conventions_lb.html#image_data_error_codes">Image Data Related Error Codes</a>, <a class="el" href="nppi_conventions_lb.html#roi_error_codes">ROI Related Error Codes</a> </dd></dl>
</div>
</div>
<a class="anchor" id="ga4f2a5626550c5f8e4c84022879b01956"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> nppiColorToGray_16s_C4C1R </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="group__npp__basic__types.html#ga2eea681138ed3607f6a540f8a1c73b85">Npp16s</a> * </td>
<td class="paramname"><em>pSrc</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>nSrcStep</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group__npp__basic__types.html#ga2eea681138ed3607f6a540f8a1c73b85">Npp16s</a> * </td>
<td class="paramname"><em>pDst</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>nDstStep</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="struct_nppi_size.html">NppiSize</a> </td>
<td class="paramname"><em>oSizeROI</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> </td>
<td class="paramname"><em>aCoeffs</em>[4] </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
</div>
</div>
<a class="anchor" id="ga58363e3243caf9bb60c458e64a496fd9"></a>
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<td class="memname"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> nppiColorToGray_16s_C4C1R_Ctx </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="group__npp__basic__types.html#ga2eea681138ed3607f6a540f8a1c73b85">Npp16s</a> * </td>
<td class="paramname"><em>pSrc</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>nSrcStep</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group__npp__basic__types.html#ga2eea681138ed3607f6a540f8a1c73b85">Npp16s</a> * </td>
<td class="paramname"><em>pDst</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>nDstStep</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="struct_nppi_size.html">NppiSize</a> </td>
<td class="paramname"><em>oSizeROI</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> </td>
<td class="paramname"><em>aCoeffs</em>[4], </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="struct_npp_stream_context.html">NppStreamContext</a> </td>
<td class="paramname"><em>nppStreamCtx</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>4 channel 16-bit signed packed RGBA to 1 channel 16-bit signed packed Gray conversion. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">pSrc</td><td><a class="el" href="nppi_conventions_lb.html#source_image_pointer">Source-Image Pointer</a>. </td></tr>
<tr><td class="paramname">nSrcStep</td><td><a class="el" href="nppi_conventions_lb.html#source_image_line_step">Source-Image Line Step</a>. </td></tr>
<tr><td class="paramname">pDst</td><td><a class="el" href="nppi_conventions_lb.html#destination_image_pointer">Destination-Image Pointer</a>. </td></tr>
<tr><td class="paramname">nDstStep</td><td><a class="el" href="nppi_conventions_lb.html#destination_image_line_step">Destination-Image Line Step</a>. </td></tr>
<tr><td class="paramname">oSizeROI</td><td><a class="el" href="nppi_conventions_lb.html#roi_specification">Region-of-Interest (ROI)</a>. </td></tr>
<tr><td class="paramname">aCoeffs</td><td>fixed size array of constant floating point conversion coefficient values, one per color channel. </td></tr>
<tr><td class="paramname">nppStreamCtx</td><td><a class="el" href="index.html#application_managed_stream_context">Application Managed Stream Context</a>. </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd><a class="el" href="nppi_conventions_lb.html#image_data_error_codes">Image Data Related Error Codes</a>, <a class="el" href="nppi_conventions_lb.html#roi_error_codes">ROI Related Error Codes</a> </dd></dl>
</div>
</div>
<a class="anchor" id="gaa779e1eadbf11a54f28cf47831bd5c5b"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> nppiColorToGray_16u_AC4C1R </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="group__npp__basic__types.html#ga6eb03aa649607e6a5e25affb0abd36db">Npp16u</a> * </td>
<td class="paramname"><em>pSrc</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>nSrcStep</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group__npp__basic__types.html#ga6eb03aa649607e6a5e25affb0abd36db">Npp16u</a> * </td>
<td class="paramname"><em>pDst</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>nDstStep</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="struct_nppi_size.html">NppiSize</a> </td>
<td class="paramname"><em>oSizeROI</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> </td>
<td class="paramname"><em>aCoeffs</em>[3] </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
</div>
</div>
<a class="anchor" id="gaebeccd86d15c713f5affd1db355d5532"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> nppiColorToGray_16u_AC4C1R_Ctx </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="group__npp__basic__types.html#ga6eb03aa649607e6a5e25affb0abd36db">Npp16u</a> * </td>
<td class="paramname"><em>pSrc</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>nSrcStep</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group__npp__basic__types.html#ga6eb03aa649607e6a5e25affb0abd36db">Npp16u</a> * </td>
<td class="paramname"><em>pDst</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>nDstStep</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="struct_nppi_size.html">NppiSize</a> </td>
<td class="paramname"><em>oSizeROI</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> </td>
<td class="paramname"><em>aCoeffs</em>[3], </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="struct_npp_stream_context.html">NppStreamContext</a> </td>
<td class="paramname"><em>nppStreamCtx</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>4 channel 16-bit unsigned packed RGB with alpha to 1 channel 16-bit unsigned packed Gray conversion. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">pSrc</td><td><a class="el" href="nppi_conventions_lb.html#source_image_pointer">Source-Image Pointer</a>. </td></tr>
<tr><td class="paramname">nSrcStep</td><td><a class="el" href="nppi_conventions_lb.html#source_image_line_step">Source-Image Line Step</a>. </td></tr>
<tr><td class="paramname">pDst</td><td><a class="el" href="nppi_conventions_lb.html#destination_image_pointer">Destination-Image Pointer</a>. </td></tr>
<tr><td class="paramname">nDstStep</td><td><a class="el" href="nppi_conventions_lb.html#destination_image_line_step">Destination-Image Line Step</a>. </td></tr>
<tr><td class="paramname">oSizeROI</td><td><a class="el" href="nppi_conventions_lb.html#roi_specification">Region-of-Interest (ROI)</a>. </td></tr>
<tr><td class="paramname">aCoeffs</td><td>fixed size array of constant floating point conversion coefficient values, one per color channel. </td></tr>
<tr><td class="paramname">nppStreamCtx</td><td><a class="el" href="index.html#application_managed_stream_context">Application Managed Stream Context</a>. </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd><a class="el" href="nppi_conventions_lb.html#image_data_error_codes">Image Data Related Error Codes</a>, <a class="el" href="nppi_conventions_lb.html#roi_error_codes">ROI Related Error Codes</a> </dd></dl>
</div>
</div>
<a class="anchor" id="ga85e29bc8de220b02a1153b3e3e70722c"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> nppiColorToGray_16u_C3C1R </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="group__npp__basic__types.html#ga6eb03aa649607e6a5e25affb0abd36db">Npp16u</a> * </td>
<td class="paramname"><em>pSrc</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>nSrcStep</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group__npp__basic__types.html#ga6eb03aa649607e6a5e25affb0abd36db">Npp16u</a> * </td>
<td class="paramname"><em>pDst</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>nDstStep</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="struct_nppi_size.html">NppiSize</a> </td>
<td class="paramname"><em>oSizeROI</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> </td>
<td class="paramname"><em>aCoeffs</em>[3] </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
</div>
</div>
<a class="anchor" id="ga90eadc3f120fca2f20b5e1cf26b5c739"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> nppiColorToGray_16u_C3C1R_Ctx </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="group__npp__basic__types.html#ga6eb03aa649607e6a5e25affb0abd36db">Npp16u</a> * </td>
<td class="paramname"><em>pSrc</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>nSrcStep</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group__npp__basic__types.html#ga6eb03aa649607e6a5e25affb0abd36db">Npp16u</a> * </td>
<td class="paramname"><em>pDst</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>nDstStep</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="struct_nppi_size.html">NppiSize</a> </td>
<td class="paramname"><em>oSizeROI</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> </td>
<td class="paramname"><em>aCoeffs</em>[3], </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="struct_npp_stream_context.html">NppStreamContext</a> </td>
<td class="paramname"><em>nppStreamCtx</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>3 channel 16-bit unsigned packed RGB to 1 channel 16-bit unsigned packed Gray conversion. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">pSrc</td><td><a class="el" href="nppi_conventions_lb.html#source_image_pointer">Source-Image Pointer</a>. </td></tr>
<tr><td class="paramname">nSrcStep</td><td><a class="el" href="nppi_conventions_lb.html#source_image_line_step">Source-Image Line Step</a>. </td></tr>
<tr><td class="paramname">pDst</td><td><a class="el" href="nppi_conventions_lb.html#destination_image_pointer">Destination-Image Pointer</a>. </td></tr>
<tr><td class="paramname">nDstStep</td><td><a class="el" href="nppi_conventions_lb.html#destination_image_line_step">Destination-Image Line Step</a>. </td></tr>
<tr><td class="paramname">oSizeROI</td><td><a class="el" href="nppi_conventions_lb.html#roi_specification">Region-of-Interest (ROI)</a>. </td></tr>
<tr><td class="paramname">aCoeffs</td><td>fixed size array of constant floating point conversion coefficient values, one per color channel. </td></tr>
<tr><td class="paramname">nppStreamCtx</td><td><a class="el" href="index.html#application_managed_stream_context">Application Managed Stream Context</a>. </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd><a class="el" href="nppi_conventions_lb.html#image_data_error_codes">Image Data Related Error Codes</a>, <a class="el" href="nppi_conventions_lb.html#roi_error_codes">ROI Related Error Codes</a> </dd></dl>
</div>
</div>
<a class="anchor" id="gadea3f5a55bd19763504eed6492b1074d"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> nppiColorToGray_16u_C4C1R </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="group__npp__basic__types.html#ga6eb03aa649607e6a5e25affb0abd36db">Npp16u</a> * </td>
<td class="paramname"><em>pSrc</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>nSrcStep</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group__npp__basic__types.html#ga6eb03aa649607e6a5e25affb0abd36db">Npp16u</a> * </td>
<td class="paramname"><em>pDst</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>nDstStep</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="struct_nppi_size.html">NppiSize</a> </td>
<td class="paramname"><em>oSizeROI</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> </td>
<td class="paramname"><em>aCoeffs</em>[4] </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
</div>
</div>
<a class="anchor" id="gac804b92ce44803e82a9200fad490c022"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> nppiColorToGray_16u_C4C1R_Ctx </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="group__npp__basic__types.html#ga6eb03aa649607e6a5e25affb0abd36db">Npp16u</a> * </td>
<td class="paramname"><em>pSrc</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>nSrcStep</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group__npp__basic__types.html#ga6eb03aa649607e6a5e25affb0abd36db">Npp16u</a> * </td>
<td class="paramname"><em>pDst</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>nDstStep</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="struct_nppi_size.html">NppiSize</a> </td>
<td class="paramname"><em>oSizeROI</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> </td>
<td class="paramname"><em>aCoeffs</em>[4], </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="struct_npp_stream_context.html">NppStreamContext</a> </td>
<td class="paramname"><em>nppStreamCtx</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>4 channel 16-bit unsigned packed RGBA to 1 channel 16-bit unsigned packed Gray conversion. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">pSrc</td><td><a class="el" href="nppi_conventions_lb.html#source_image_pointer">Source-Image Pointer</a>. </td></tr>
<tr><td class="paramname">nSrcStep</td><td><a class="el" href="nppi_conventions_lb.html#source_image_line_step">Source-Image Line Step</a>. </td></tr>
<tr><td class="paramname">pDst</td><td><a class="el" href="nppi_conventions_lb.html#destination_image_pointer">Destination-Image Pointer</a>. </td></tr>
<tr><td class="paramname">nDstStep</td><td><a class="el" href="nppi_conventions_lb.html#destination_image_line_step">Destination-Image Line Step</a>. </td></tr>
<tr><td class="paramname">oSizeROI</td><td><a class="el" href="nppi_conventions_lb.html#roi_specification">Region-of-Interest (ROI)</a>. </td></tr>
<tr><td class="paramname">aCoeffs</td><td>fixed size array of constant floating point conversion coefficient values, one per color channel. </td></tr>
<tr><td class="paramname">nppStreamCtx</td><td><a class="el" href="index.html#application_managed_stream_context">Application Managed Stream Context</a>. </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd><a class="el" href="nppi_conventions_lb.html#image_data_error_codes">Image Data Related Error Codes</a>, <a class="el" href="nppi_conventions_lb.html#roi_error_codes">ROI Related Error Codes</a> </dd></dl>
</div>
</div>
<a class="anchor" id="ga394979ba0150db3e7481d6903fbf6d80"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> nppiColorToGray_32f_AC4C1R </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> * </td>
<td class="paramname"><em>pSrc</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>nSrcStep</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> * </td>
<td class="paramname"><em>pDst</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>nDstStep</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="struct_nppi_size.html">NppiSize</a> </td>
<td class="paramname"><em>oSizeROI</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> </td>
<td class="paramname"><em>aCoeffs</em>[3] </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
</div>
</div>
<a class="anchor" id="ga398cc52e4b79a1a980864bf3a4a9fe28"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> nppiColorToGray_32f_AC4C1R_Ctx </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> * </td>
<td class="paramname"><em>pSrc</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>nSrcStep</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> * </td>
<td class="paramname"><em>pDst</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>nDstStep</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="struct_nppi_size.html">NppiSize</a> </td>
<td class="paramname"><em>oSizeROI</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> </td>
<td class="paramname"><em>aCoeffs</em>[3], </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="struct_npp_stream_context.html">NppStreamContext</a> </td>
<td class="paramname"><em>nppStreamCtx</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>4 channel 32-bit floating point packed RGB with alpha to 1 channel 32-bit floating point packed Gray conversion. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">pSrc</td><td><a class="el" href="nppi_conventions_lb.html#source_image_pointer">Source-Image Pointer</a>. </td></tr>
<tr><td class="paramname">nSrcStep</td><td><a class="el" href="nppi_conventions_lb.html#source_image_line_step">Source-Image Line Step</a>. </td></tr>
<tr><td class="paramname">pDst</td><td><a class="el" href="nppi_conventions_lb.html#destination_image_pointer">Destination-Image Pointer</a>. </td></tr>
<tr><td class="paramname">nDstStep</td><td><a class="el" href="nppi_conventions_lb.html#destination_image_line_step">Destination-Image Line Step</a>. </td></tr>
<tr><td class="paramname">oSizeROI</td><td><a class="el" href="nppi_conventions_lb.html#roi_specification">Region-of-Interest (ROI)</a>. </td></tr>
<tr><td class="paramname">aCoeffs</td><td>fixed size array of constant floating point conversion coefficient values, one per color channel. </td></tr>
<tr><td class="paramname">nppStreamCtx</td><td><a class="el" href="index.html#application_managed_stream_context">Application Managed Stream Context</a>. </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd><a class="el" href="nppi_conventions_lb.html#image_data_error_codes">Image Data Related Error Codes</a>, <a class="el" href="nppi_conventions_lb.html#roi_error_codes">ROI Related Error Codes</a> </dd></dl>
</div>
</div>
<a class="anchor" id="gad55ceef9130c0b14587d82ef63acb777"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> nppiColorToGray_32f_C3C1R </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> * </td>
<td class="paramname"><em>pSrc</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>nSrcStep</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> * </td>
<td class="paramname"><em>pDst</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>nDstStep</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="struct_nppi_size.html">NppiSize</a> </td>
<td class="paramname"><em>oSizeROI</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> </td>
<td class="paramname"><em>aCoeffs</em>[3] </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
</div>
</div>
<a class="anchor" id="gaad8b5c34cdda9a39f12ce8af80a09ecc"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> nppiColorToGray_32f_C3C1R_Ctx </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> * </td>
<td class="paramname"><em>pSrc</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>nSrcStep</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> * </td>
<td class="paramname"><em>pDst</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>nDstStep</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="struct_nppi_size.html">NppiSize</a> </td>
<td class="paramname"><em>oSizeROI</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> </td>
<td class="paramname"><em>aCoeffs</em>[3], </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="struct_npp_stream_context.html">NppStreamContext</a> </td>
<td class="paramname"><em>nppStreamCtx</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>3 channel 32-bit floating point packed RGB to 1 channel 32-bit floating point packed Gray conversion. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">pSrc</td><td><a class="el" href="nppi_conventions_lb.html#source_image_pointer">Source-Image Pointer</a>. </td></tr>
<tr><td class="paramname">nSrcStep</td><td><a class="el" href="nppi_conventions_lb.html#source_image_line_step">Source-Image Line Step</a>. </td></tr>
<tr><td class="paramname">pDst</td><td><a class="el" href="nppi_conventions_lb.html#destination_image_pointer">Destination-Image Pointer</a>. </td></tr>
<tr><td class="paramname">nDstStep</td><td><a class="el" href="nppi_conventions_lb.html#destination_image_line_step">Destination-Image Line Step</a>. </td></tr>
<tr><td class="paramname">oSizeROI</td><td><a class="el" href="nppi_conventions_lb.html#roi_specification">Region-of-Interest (ROI)</a>. </td></tr>
<tr><td class="paramname">aCoeffs</td><td>fixed size array of constant floating point conversion coefficient values, one per color channel. </td></tr>
<tr><td class="paramname">nppStreamCtx</td><td><a class="el" href="index.html#application_managed_stream_context">Application Managed Stream Context</a>. </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd><a class="el" href="nppi_conventions_lb.html#image_data_error_codes">Image Data Related Error Codes</a>, <a class="el" href="nppi_conventions_lb.html#roi_error_codes">ROI Related Error Codes</a> </dd></dl>
</div>
</div>
<a class="anchor" id="ga6e773197e33a617f59f7dd49eb797e1b"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> nppiColorToGray_32f_C4C1R </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> * </td>
<td class="paramname"><em>pSrc</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>nSrcStep</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> * </td>
<td class="paramname"><em>pDst</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>nDstStep</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="struct_nppi_size.html">NppiSize</a> </td>
<td class="paramname"><em>oSizeROI</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> </td>
<td class="paramname"><em>aCoeffs</em>[4] </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
</div>
</div>
<a class="anchor" id="ga72a8328e863f138a5d470f6ba2e425dc"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> nppiColorToGray_32f_C4C1R_Ctx </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> * </td>
<td class="paramname"><em>pSrc</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>nSrcStep</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> * </td>
<td class="paramname"><em>pDst</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>nDstStep</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="struct_nppi_size.html">NppiSize</a> </td>
<td class="paramname"><em>oSizeROI</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> </td>
<td class="paramname"><em>aCoeffs</em>[4], </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="struct_npp_stream_context.html">NppStreamContext</a> </td>
<td class="paramname"><em>nppStreamCtx</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>4 channel 32-bit floating point packed RGBA to 1 channel 32-bit floating point packed Gray conversion. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">pSrc</td><td><a class="el" href="nppi_conventions_lb.html#source_image_pointer">Source-Image Pointer</a>. </td></tr>
<tr><td class="paramname">nSrcStep</td><td><a class="el" href="nppi_conventions_lb.html#source_image_line_step">Source-Image Line Step</a>. </td></tr>
<tr><td class="paramname">pDst</td><td><a class="el" href="nppi_conventions_lb.html#destination_image_pointer">Destination-Image Pointer</a>. </td></tr>
<tr><td class="paramname">nDstStep</td><td><a class="el" href="nppi_conventions_lb.html#destination_image_line_step">Destination-Image Line Step</a>. </td></tr>
<tr><td class="paramname">oSizeROI</td><td><a class="el" href="nppi_conventions_lb.html#roi_specification">Region-of-Interest (ROI)</a>. </td></tr>
<tr><td class="paramname">aCoeffs</td><td>fixed size array of constant floating point conversion coefficient values, one per color channel. </td></tr>
<tr><td class="paramname">nppStreamCtx</td><td><a class="el" href="index.html#application_managed_stream_context">Application Managed Stream Context</a>. </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd><a class="el" href="nppi_conventions_lb.html#image_data_error_codes">Image Data Related Error Codes</a>, <a class="el" href="nppi_conventions_lb.html#roi_error_codes">ROI Related Error Codes</a> </dd></dl>
</div>
</div>
<a class="anchor" id="ga8e70592ee5ebd52ac5fe39076bd75d5a"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> nppiColorToGray_8u_AC4C1R </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="group__npp__basic__types.html#ga29b502b6816fc0066fd59538483a5b62">Npp8u</a> * </td>
<td class="paramname"><em>pSrc</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>nSrcStep</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group__npp__basic__types.html#ga29b502b6816fc0066fd59538483a5b62">Npp8u</a> * </td>
<td class="paramname"><em>pDst</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>nDstStep</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="struct_nppi_size.html">NppiSize</a> </td>
<td class="paramname"><em>oSizeROI</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> </td>
<td class="paramname"><em>aCoeffs</em>[3] </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
</div>
</div>
<a class="anchor" id="ga411a9685d855f6da3d81b30b9552b3a5"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> nppiColorToGray_8u_AC4C1R_Ctx </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="group__npp__basic__types.html#ga29b502b6816fc0066fd59538483a5b62">Npp8u</a> * </td>
<td class="paramname"><em>pSrc</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>nSrcStep</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group__npp__basic__types.html#ga29b502b6816fc0066fd59538483a5b62">Npp8u</a> * </td>
<td class="paramname"><em>pDst</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>nDstStep</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="struct_nppi_size.html">NppiSize</a> </td>
<td class="paramname"><em>oSizeROI</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> </td>
<td class="paramname"><em>aCoeffs</em>[3], </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="struct_npp_stream_context.html">NppStreamContext</a> </td>
<td class="paramname"><em>nppStreamCtx</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>4 channel 8-bit unsigned packed RGB with alpha to 1 channel 8-bit unsigned packed Gray conversion. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">pSrc</td><td><a class="el" href="nppi_conventions_lb.html#source_image_pointer">Source-Image Pointer</a>. </td></tr>
<tr><td class="paramname">nSrcStep</td><td><a class="el" href="nppi_conventions_lb.html#source_image_line_step">Source-Image Line Step</a>. </td></tr>
<tr><td class="paramname">pDst</td><td><a class="el" href="nppi_conventions_lb.html#destination_image_pointer">Destination-Image Pointer</a>. </td></tr>
<tr><td class="paramname">nDstStep</td><td><a class="el" href="nppi_conventions_lb.html#destination_image_line_step">Destination-Image Line Step</a>. </td></tr>
<tr><td class="paramname">oSizeROI</td><td><a class="el" href="nppi_conventions_lb.html#roi_specification">Region-of-Interest (ROI)</a>. </td></tr>
<tr><td class="paramname">aCoeffs</td><td>fixed size array of constant floating point conversion coefficient values, one per color channel. </td></tr>
<tr><td class="paramname">nppStreamCtx</td><td><a class="el" href="index.html#application_managed_stream_context">Application Managed Stream Context</a>. </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd><a class="el" href="nppi_conventions_lb.html#image_data_error_codes">Image Data Related Error Codes</a>, <a class="el" href="nppi_conventions_lb.html#roi_error_codes">ROI Related Error Codes</a> </dd></dl>
</div>
</div>
<a class="anchor" id="ga5e9dc3e447ac5245930645c74eda0a9d"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> nppiColorToGray_8u_C3C1R </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="group__npp__basic__types.html#ga29b502b6816fc0066fd59538483a5b62">Npp8u</a> * </td>
<td class="paramname"><em>pSrc</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>nSrcStep</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group__npp__basic__types.html#ga29b502b6816fc0066fd59538483a5b62">Npp8u</a> * </td>
<td class="paramname"><em>pDst</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>nDstStep</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="struct_nppi_size.html">NppiSize</a> </td>
<td class="paramname"><em>oSizeROI</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> </td>
<td class="paramname"><em>aCoeffs</em>[3] </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
</div>
</div>
<a class="anchor" id="ga6becd9d34475efd5cbf05925ee121cf2"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> nppiColorToGray_8u_C3C1R_Ctx </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="group__npp__basic__types.html#ga29b502b6816fc0066fd59538483a5b62">Npp8u</a> * </td>
<td class="paramname"><em>pSrc</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>nSrcStep</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group__npp__basic__types.html#ga29b502b6816fc0066fd59538483a5b62">Npp8u</a> * </td>
<td class="paramname"><em>pDst</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>nDstStep</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="struct_nppi_size.html">NppiSize</a> </td>
<td class="paramname"><em>oSizeROI</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> </td>
<td class="paramname"><em>aCoeffs</em>[3], </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="struct_npp_stream_context.html">NppStreamContext</a> </td>
<td class="paramname"><em>nppStreamCtx</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>3 channel 8-bit unsigned packed RGB to 1 channel 8-bit unsigned packed Gray conversion. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">pSrc</td><td><a class="el" href="nppi_conventions_lb.html#source_image_pointer">Source-Image Pointer</a>. </td></tr>
<tr><td class="paramname">nSrcStep</td><td><a class="el" href="nppi_conventions_lb.html#source_image_line_step">Source-Image Line Step</a>. </td></tr>
<tr><td class="paramname">pDst</td><td><a class="el" href="nppi_conventions_lb.html#destination_image_pointer">Destination-Image Pointer</a>. </td></tr>
<tr><td class="paramname">nDstStep</td><td><a class="el" href="nppi_conventions_lb.html#destination_image_line_step">Destination-Image Line Step</a>. </td></tr>
<tr><td class="paramname">oSizeROI</td><td><a class="el" href="nppi_conventions_lb.html#roi_specification">Region-of-Interest (ROI)</a>. </td></tr>
<tr><td class="paramname">aCoeffs</td><td>fixed size array of constant floating point conversion coefficient values, one per color channel. </td></tr>
<tr><td class="paramname">nppStreamCtx</td><td><a class="el" href="index.html#application_managed_stream_context">Application Managed Stream Context</a>. </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd><a class="el" href="nppi_conventions_lb.html#image_data_error_codes">Image Data Related Error Codes</a>, <a class="el" href="nppi_conventions_lb.html#roi_error_codes">ROI Related Error Codes</a> </dd></dl>
</div>
</div>
<a class="anchor" id="ga45c8c63d40b4dd8ac8d494b42ebb28e5"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> nppiColorToGray_8u_C4C1R </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="group__npp__basic__types.html#ga29b502b6816fc0066fd59538483a5b62">Npp8u</a> * </td>
<td class="paramname"><em>pSrc</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>nSrcStep</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group__npp__basic__types.html#ga29b502b6816fc0066fd59538483a5b62">Npp8u</a> * </td>
<td class="paramname"><em>pDst</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>nDstStep</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="struct_nppi_size.html">NppiSize</a> </td>
<td class="paramname"><em>oSizeROI</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> </td>
<td class="paramname"><em>aCoeffs</em>[4] </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
</div>
</div>
<a class="anchor" id="ga1c3208010dc2bab94cd0323e2cc62a48"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> nppiColorToGray_8u_C4C1R_Ctx </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="group__npp__basic__types.html#ga29b502b6816fc0066fd59538483a5b62">Npp8u</a> * </td>
<td class="paramname"><em>pSrc</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>nSrcStep</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group__npp__basic__types.html#ga29b502b6816fc0066fd59538483a5b62">Npp8u</a> * </td>
<td class="paramname"><em>pDst</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>nDstStep</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="struct_nppi_size.html">NppiSize</a> </td>
<td class="paramname"><em>oSizeROI</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">const <a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> </td>
<td class="paramname"><em>aCoeffs</em>[4], </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="struct_npp_stream_context.html">NppStreamContext</a> </td>
<td class="paramname"><em>nppStreamCtx</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>4 channel 8-bit unsigned packed RGBA to 1 channel 8-bit unsigned packed Gray conversion. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">pSrc</td><td><a class="el" href="nppi_conventions_lb.html#source_image_pointer">Source-Image Pointer</a>. </td></tr>
<tr><td class="paramname">nSrcStep</td><td><a class="el" href="nppi_conventions_lb.html#source_image_line_step">Source-Image Line Step</a>. </td></tr>
<tr><td class="paramname">pDst</td><td><a class="el" href="nppi_conventions_lb.html#destination_image_pointer">Destination-Image Pointer</a>. </td></tr>
<tr><td class="paramname">nDstStep</td><td><a class="el" href="nppi_conventions_lb.html#destination_image_line_step">Destination-Image Line Step</a>. </td></tr>
<tr><td class="paramname">oSizeROI</td><td><a class="el" href="nppi_conventions_lb.html#roi_specification">Region-of-Interest (ROI)</a>. </td></tr>
<tr><td class="paramname">aCoeffs</td><td>fixed size array of constant floating point conversion coefficient values, one per color channel. </td></tr>
<tr><td class="paramname">nppStreamCtx</td><td><a class="el" href="index.html#application_managed_stream_context">Application Managed Stream Context</a>. </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd><a class="el" href="nppi_conventions_lb.html#image_data_error_codes">Image Data Related Error Codes</a>, <a class="el" href="nppi_conventions_lb.html#roi_error_codes">ROI Related Error Codes</a> </dd></dl>
</div>
</div>
<a class="anchor" id="ga0e5378a2557ed8c35e756af549f0972a"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> nppiGradientColorToGray_16s_C3C1R </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="group__npp__basic__types.html#ga2eea681138ed3607f6a540f8a1c73b85">Npp16s</a> * </td>
<td class="paramname"><em>pSrc</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>nSrcStep</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group__npp__basic__types.html#ga2eea681138ed3607f6a540f8a1c73b85">Npp16s</a> * </td>
<td class="paramname"><em>pDst</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>nDstStep</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="struct_nppi_size.html">NppiSize</a> </td>
<td class="paramname"><em>oSizeROI</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group__typedefs__npp.html#ga81369e9ddeddecd27995770d0ad0f1a5">NppiNorm</a> </td>
<td class="paramname"><em>eNorm</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
</div>
</div>
<a class="anchor" id="gaf439b8551773e267eca3fe5c1c527ef6"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> nppiGradientColorToGray_16s_C3C1R_Ctx </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="group__npp__basic__types.html#ga2eea681138ed3607f6a540f8a1c73b85">Npp16s</a> * </td>
<td class="paramname"><em>pSrc</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>nSrcStep</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group__npp__basic__types.html#ga2eea681138ed3607f6a540f8a1c73b85">Npp16s</a> * </td>
<td class="paramname"><em>pDst</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>nDstStep</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="struct_nppi_size.html">NppiSize</a> </td>
<td class="paramname"><em>oSizeROI</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group__typedefs__npp.html#ga81369e9ddeddecd27995770d0ad0f1a5">NppiNorm</a> </td>
<td class="paramname"><em>eNorm</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="struct_npp_stream_context.html">NppStreamContext</a> </td>
<td class="paramname"><em>nppStreamCtx</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>3 channel 16-bit signed packed RGB to 1 channel 16-bit signed packed Gray Gradient conversion. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">pSrc</td><td><a class="el" href="nppi_conventions_lb.html#source_image_pointer">Source-Image Pointer</a>. </td></tr>
<tr><td class="paramname">nSrcStep</td><td><a class="el" href="nppi_conventions_lb.html#source_image_line_step">Source-Image Line Step</a>. </td></tr>
<tr><td class="paramname">pDst</td><td><a class="el" href="nppi_conventions_lb.html#destination_image_pointer">Destination-Image Pointer</a>. </td></tr>
<tr><td class="paramname">nDstStep</td><td><a class="el" href="nppi_conventions_lb.html#destination_image_line_step">Destination-Image Line Step</a>. </td></tr>
<tr><td class="paramname">oSizeROI</td><td><a class="el" href="nppi_conventions_lb.html#roi_specification">Region-of-Interest (ROI)</a>. </td></tr>
<tr><td class="paramname">eNorm</td><td>Gradient distance method to use. </td></tr>
<tr><td class="paramname">nppStreamCtx</td><td><a class="el" href="index.html#application_managed_stream_context">Application Managed Stream Context</a>. </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd><a class="el" href="nppi_conventions_lb.html#image_data_error_codes">Image Data Related Error Codes</a>, <a class="el" href="nppi_conventions_lb.html#roi_error_codes">ROI Related Error Codes</a> </dd></dl>
</div>
</div>
<a class="anchor" id="ga8c3e84c59a33148d2d019cbfd4ee6993"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> nppiGradientColorToGray_16u_C3C1R </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="group__npp__basic__types.html#ga6eb03aa649607e6a5e25affb0abd36db">Npp16u</a> * </td>
<td class="paramname"><em>pSrc</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>nSrcStep</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group__npp__basic__types.html#ga6eb03aa649607e6a5e25affb0abd36db">Npp16u</a> * </td>
<td class="paramname"><em>pDst</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>nDstStep</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="struct_nppi_size.html">NppiSize</a> </td>
<td class="paramname"><em>oSizeROI</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group__typedefs__npp.html#ga81369e9ddeddecd27995770d0ad0f1a5">NppiNorm</a> </td>
<td class="paramname"><em>eNorm</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
</div>
</div>
<a class="anchor" id="gaf889fbde37bd5bb631accce362e2013f"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> nppiGradientColorToGray_16u_C3C1R_Ctx </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="group__npp__basic__types.html#ga6eb03aa649607e6a5e25affb0abd36db">Npp16u</a> * </td>
<td class="paramname"><em>pSrc</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>nSrcStep</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group__npp__basic__types.html#ga6eb03aa649607e6a5e25affb0abd36db">Npp16u</a> * </td>
<td class="paramname"><em>pDst</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>nDstStep</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="struct_nppi_size.html">NppiSize</a> </td>
<td class="paramname"><em>oSizeROI</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group__typedefs__npp.html#ga81369e9ddeddecd27995770d0ad0f1a5">NppiNorm</a> </td>
<td class="paramname"><em>eNorm</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="struct_npp_stream_context.html">NppStreamContext</a> </td>
<td class="paramname"><em>nppStreamCtx</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>3 channel 16-bit unsigned packed RGB to 1 channel 16-bit unsigned packed Gray Gradient conversion. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">pSrc</td><td><a class="el" href="nppi_conventions_lb.html#source_image_pointer">Source-Image Pointer</a>. </td></tr>
<tr><td class="paramname">nSrcStep</td><td><a class="el" href="nppi_conventions_lb.html#source_image_line_step">Source-Image Line Step</a>. </td></tr>
<tr><td class="paramname">pDst</td><td><a class="el" href="nppi_conventions_lb.html#destination_image_pointer">Destination-Image Pointer</a>. </td></tr>
<tr><td class="paramname">nDstStep</td><td><a class="el" href="nppi_conventions_lb.html#destination_image_line_step">Destination-Image Line Step</a>. </td></tr>
<tr><td class="paramname">oSizeROI</td><td><a class="el" href="nppi_conventions_lb.html#roi_specification">Region-of-Interest (ROI)</a>. </td></tr>
<tr><td class="paramname">eNorm</td><td>Gradient distance method to use. </td></tr>
<tr><td class="paramname">nppStreamCtx</td><td><a class="el" href="index.html#application_managed_stream_context">Application Managed Stream Context</a>. </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd><a class="el" href="nppi_conventions_lb.html#image_data_error_codes">Image Data Related Error Codes</a>, <a class="el" href="nppi_conventions_lb.html#roi_error_codes">ROI Related Error Codes</a> </dd></dl>
</div>
</div>
<a class="anchor" id="ga65f5395d5b92548510fd7fe5696e81ac"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> nppiGradientColorToGray_32f_C3C1R </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> * </td>
<td class="paramname"><em>pSrc</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>nSrcStep</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> * </td>
<td class="paramname"><em>pDst</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>nDstStep</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="struct_nppi_size.html">NppiSize</a> </td>
<td class="paramname"><em>oSizeROI</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group__typedefs__npp.html#ga81369e9ddeddecd27995770d0ad0f1a5">NppiNorm</a> </td>
<td class="paramname"><em>eNorm</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
</div>
</div>
<a class="anchor" id="gaebcb276dde9d316b11ecd783068a06e7"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> nppiGradientColorToGray_32f_C3C1R_Ctx </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> * </td>
<td class="paramname"><em>pSrc</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>nSrcStep</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> * </td>
<td class="paramname"><em>pDst</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>nDstStep</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="struct_nppi_size.html">NppiSize</a> </td>
<td class="paramname"><em>oSizeROI</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group__typedefs__npp.html#ga81369e9ddeddecd27995770d0ad0f1a5">NppiNorm</a> </td>
<td class="paramname"><em>eNorm</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="struct_npp_stream_context.html">NppStreamContext</a> </td>
<td class="paramname"><em>nppStreamCtx</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>3 channel 32-bit floating point packed RGB to 1 channel 32-bit floating point packed Gray Gradient conversion. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">pSrc</td><td><a class="el" href="nppi_conventions_lb.html#source_image_pointer">Source-Image Pointer</a>. </td></tr>
<tr><td class="paramname">nSrcStep</td><td><a class="el" href="nppi_conventions_lb.html#source_image_line_step">Source-Image Line Step</a>. </td></tr>
<tr><td class="paramname">pDst</td><td><a class="el" href="nppi_conventions_lb.html#destination_image_pointer">Destination-Image Pointer</a>. </td></tr>
<tr><td class="paramname">nDstStep</td><td><a class="el" href="nppi_conventions_lb.html#destination_image_line_step">Destination-Image Line Step</a>. </td></tr>
<tr><td class="paramname">oSizeROI</td><td><a class="el" href="nppi_conventions_lb.html#roi_specification">Region-of-Interest (ROI)</a>. </td></tr>
<tr><td class="paramname">eNorm</td><td>Gradient distance method to use. </td></tr>
<tr><td class="paramname">nppStreamCtx</td><td><a class="el" href="index.html#application_managed_stream_context">Application Managed Stream Context</a>. </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd><a class="el" href="nppi_conventions_lb.html#image_data_error_codes">Image Data Related Error Codes</a>, <a class="el" href="nppi_conventions_lb.html#roi_error_codes">ROI Related Error Codes</a> </dd></dl>
</div>
</div>
<a class="anchor" id="ga2cab24d19f17122482d3e8b05e3e9a45"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> nppiGradientColorToGray_8u_C3C1R </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="group__npp__basic__types.html#ga29b502b6816fc0066fd59538483a5b62">Npp8u</a> * </td>
<td class="paramname"><em>pSrc</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>nSrcStep</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group__npp__basic__types.html#ga29b502b6816fc0066fd59538483a5b62">Npp8u</a> * </td>
<td class="paramname"><em>pDst</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>nDstStep</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="struct_nppi_size.html">NppiSize</a> </td>
<td class="paramname"><em>oSizeROI</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group__typedefs__npp.html#ga81369e9ddeddecd27995770d0ad0f1a5">NppiNorm</a> </td>
<td class="paramname"><em>eNorm</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
</div>
</div>
<a class="anchor" id="ga2b0dc1ed68343f02d3987c3d689b7858"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> nppiGradientColorToGray_8u_C3C1R_Ctx </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="group__npp__basic__types.html#ga29b502b6816fc0066fd59538483a5b62">Npp8u</a> * </td>
<td class="paramname"><em>pSrc</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>nSrcStep</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group__npp__basic__types.html#ga29b502b6816fc0066fd59538483a5b62">Npp8u</a> * </td>
<td class="paramname"><em>pDst</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>nDstStep</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="struct_nppi_size.html">NppiSize</a> </td>
<td class="paramname"><em>oSizeROI</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group__typedefs__npp.html#ga81369e9ddeddecd27995770d0ad0f1a5">NppiNorm</a> </td>
<td class="paramname"><em>eNorm</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="struct_npp_stream_context.html">NppStreamContext</a> </td>
<td class="paramname"><em>nppStreamCtx</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>3 channel 8-bit unsigned packed RGB to 1 channel 8-bit unsigned packed Gray Gradient conversion. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">pSrc</td><td><a class="el" href="nppi_conventions_lb.html#source_image_pointer">Source-Image Pointer</a>. </td></tr>
<tr><td class="paramname">nSrcStep</td><td><a class="el" href="nppi_conventions_lb.html#source_image_line_step">Source-Image Line Step</a>. </td></tr>
<tr><td class="paramname">pDst</td><td><a class="el" href="nppi_conventions_lb.html#destination_image_pointer">Destination-Image Pointer</a>. </td></tr>
<tr><td class="paramname">nDstStep</td><td><a class="el" href="nppi_conventions_lb.html#destination_image_line_step">Destination-Image Line Step</a>. </td></tr>
<tr><td class="paramname">oSizeROI</td><td><a class="el" href="nppi_conventions_lb.html#roi_specification">Region-of-Interest (ROI)</a>. </td></tr>
<tr><td class="paramname">eNorm</td><td>Gradient distance method to use. </td></tr>
<tr><td class="paramname">nppStreamCtx</td><td><a class="el" href="index.html#application_managed_stream_context">Application Managed Stream Context</a>. </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd><a class="el" href="nppi_conventions_lb.html#image_data_error_codes">Image Data Related Error Codes</a>, <a class="el" href="nppi_conventions_lb.html#roi_error_codes">ROI Related Error Codes</a> </dd></dl>
</div>
</div>
<a class="anchor" id="gae57103c6cee77817dc68fbb34029374a"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> nppiRGBToGray_16s_AC4C1R </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="group__npp__basic__types.html#ga2eea681138ed3607f6a540f8a1c73b85">Npp16s</a> * </td>
<td class="paramname"><em>pSrc</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>nSrcStep</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group__npp__basic__types.html#ga2eea681138ed3607f6a540f8a1c73b85">Npp16s</a> * </td>
<td class="paramname"><em>pDst</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>nDstStep</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="struct_nppi_size.html">NppiSize</a> </td>
<td class="paramname"><em>oSizeROI</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
</div>
</div>
<a class="anchor" id="ga47c0021674aa530b9f909a8ea973d5d4"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> nppiRGBToGray_16s_AC4C1R_Ctx </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="group__npp__basic__types.html#ga2eea681138ed3607f6a540f8a1c73b85">Npp16s</a> * </td>
<td class="paramname"><em>pSrc</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>nSrcStep</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group__npp__basic__types.html#ga2eea681138ed3607f6a540f8a1c73b85">Npp16s</a> * </td>
<td class="paramname"><em>pDst</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>nDstStep</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="struct_nppi_size.html">NppiSize</a> </td>
<td class="paramname"><em>oSizeROI</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="struct_npp_stream_context.html">NppStreamContext</a> </td>
<td class="paramname"><em>nppStreamCtx</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>4 channel 16-bit signed packed RGB with alpha to 1 channel 16-bit signed packed Gray conversion. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">pSrc</td><td><a class="el" href="nppi_conventions_lb.html#source_image_pointer">Source-Image Pointer</a>. </td></tr>
<tr><td class="paramname">nSrcStep</td><td><a class="el" href="nppi_conventions_lb.html#source_image_line_step">Source-Image Line Step</a>. </td></tr>
<tr><td class="paramname">pDst</td><td><a class="el" href="nppi_conventions_lb.html#destination_image_pointer">Destination-Image Pointer</a>. </td></tr>
<tr><td class="paramname">nDstStep</td><td><a class="el" href="nppi_conventions_lb.html#destination_image_line_step">Destination-Image Line Step</a>. </td></tr>
<tr><td class="paramname">oSizeROI</td><td><a class="el" href="nppi_conventions_lb.html#roi_specification">Region-of-Interest (ROI)</a>. </td></tr>
<tr><td class="paramname">nppStreamCtx</td><td><a class="el" href="index.html#application_managed_stream_context">Application Managed Stream Context</a>. </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd><a class="el" href="nppi_conventions_lb.html#image_data_error_codes">Image Data Related Error Codes</a>, <a class="el" href="nppi_conventions_lb.html#roi_error_codes">ROI Related Error Codes</a> </dd></dl>
</div>
</div>
<a class="anchor" id="ga311c0a4724ee969602617e0685c0e6ba"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> nppiRGBToGray_16s_C3C1R </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="group__npp__basic__types.html#ga2eea681138ed3607f6a540f8a1c73b85">Npp16s</a> * </td>
<td class="paramname"><em>pSrc</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>nSrcStep</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group__npp__basic__types.html#ga2eea681138ed3607f6a540f8a1c73b85">Npp16s</a> * </td>
<td class="paramname"><em>pDst</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>nDstStep</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="struct_nppi_size.html">NppiSize</a> </td>
<td class="paramname"><em>oSizeROI</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
</div>
</div>
<a class="anchor" id="ga9bb2f5e388c4c7cfd9ff80a18f28c09a"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> nppiRGBToGray_16s_C3C1R_Ctx </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="group__npp__basic__types.html#ga2eea681138ed3607f6a540f8a1c73b85">Npp16s</a> * </td>
<td class="paramname"><em>pSrc</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>nSrcStep</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group__npp__basic__types.html#ga2eea681138ed3607f6a540f8a1c73b85">Npp16s</a> * </td>
<td class="paramname"><em>pDst</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>nDstStep</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="struct_nppi_size.html">NppiSize</a> </td>
<td class="paramname"><em>oSizeROI</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="struct_npp_stream_context.html">NppStreamContext</a> </td>
<td class="paramname"><em>nppStreamCtx</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>3 channel 16-bit signed packed RGB to 1 channel 16-bit signed packed Gray conversion. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">pSrc</td><td><a class="el" href="nppi_conventions_lb.html#source_image_pointer">Source-Image Pointer</a>. </td></tr>
<tr><td class="paramname">nSrcStep</td><td><a class="el" href="nppi_conventions_lb.html#source_image_line_step">Source-Image Line Step</a>. </td></tr>
<tr><td class="paramname">pDst</td><td><a class="el" href="nppi_conventions_lb.html#destination_image_pointer">Destination-Image Pointer</a>. </td></tr>
<tr><td class="paramname">nDstStep</td><td><a class="el" href="nppi_conventions_lb.html#destination_image_line_step">Destination-Image Line Step</a>. </td></tr>
<tr><td class="paramname">oSizeROI</td><td><a class="el" href="nppi_conventions_lb.html#roi_specification">Region-of-Interest (ROI)</a>. </td></tr>
<tr><td class="paramname">nppStreamCtx</td><td><a class="el" href="index.html#application_managed_stream_context">Application Managed Stream Context</a>. </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd><a class="el" href="nppi_conventions_lb.html#image_data_error_codes">Image Data Related Error Codes</a>, <a class="el" href="nppi_conventions_lb.html#roi_error_codes">ROI Related Error Codes</a> </dd></dl>
</div>
</div>
<a class="anchor" id="ga14c357b2575e69d8a71ab31caa0ba4f4"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> nppiRGBToGray_16u_AC4C1R </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="group__npp__basic__types.html#ga6eb03aa649607e6a5e25affb0abd36db">Npp16u</a> * </td>
<td class="paramname"><em>pSrc</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>nSrcStep</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group__npp__basic__types.html#ga6eb03aa649607e6a5e25affb0abd36db">Npp16u</a> * </td>
<td class="paramname"><em>pDst</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>nDstStep</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="struct_nppi_size.html">NppiSize</a> </td>
<td class="paramname"><em>oSizeROI</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
</div>
</div>
<a class="anchor" id="ga714228bc4d88c13306894c6e3f1acaac"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> nppiRGBToGray_16u_AC4C1R_Ctx </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="group__npp__basic__types.html#ga6eb03aa649607e6a5e25affb0abd36db">Npp16u</a> * </td>
<td class="paramname"><em>pSrc</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>nSrcStep</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group__npp__basic__types.html#ga6eb03aa649607e6a5e25affb0abd36db">Npp16u</a> * </td>
<td class="paramname"><em>pDst</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>nDstStep</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="struct_nppi_size.html">NppiSize</a> </td>
<td class="paramname"><em>oSizeROI</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="struct_npp_stream_context.html">NppStreamContext</a> </td>
<td class="paramname"><em>nppStreamCtx</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>4 channel 16-bit unsigned packed RGB with alpha to 1 channel 16-bit unsigned packed Gray conversion. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">pSrc</td><td><a class="el" href="nppi_conventions_lb.html#source_image_pointer">Source-Image Pointer</a>. </td></tr>
<tr><td class="paramname">nSrcStep</td><td><a class="el" href="nppi_conventions_lb.html#source_image_line_step">Source-Image Line Step</a>. </td></tr>
<tr><td class="paramname">pDst</td><td><a class="el" href="nppi_conventions_lb.html#destination_image_pointer">Destination-Image Pointer</a>. </td></tr>
<tr><td class="paramname">nDstStep</td><td><a class="el" href="nppi_conventions_lb.html#destination_image_line_step">Destination-Image Line Step</a>. </td></tr>
<tr><td class="paramname">oSizeROI</td><td><a class="el" href="nppi_conventions_lb.html#roi_specification">Region-of-Interest (ROI)</a>. </td></tr>
<tr><td class="paramname">nppStreamCtx</td><td><a class="el" href="index.html#application_managed_stream_context">Application Managed Stream Context</a>. </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd><a class="el" href="nppi_conventions_lb.html#image_data_error_codes">Image Data Related Error Codes</a>, <a class="el" href="nppi_conventions_lb.html#roi_error_codes">ROI Related Error Codes</a> </dd></dl>
</div>
</div>
<a class="anchor" id="ga1a304355a5aa5698409942c11eb5b8b8"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> nppiRGBToGray_16u_C3C1R </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="group__npp__basic__types.html#ga6eb03aa649607e6a5e25affb0abd36db">Npp16u</a> * </td>
<td class="paramname"><em>pSrc</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>nSrcStep</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group__npp__basic__types.html#ga6eb03aa649607e6a5e25affb0abd36db">Npp16u</a> * </td>
<td class="paramname"><em>pDst</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>nDstStep</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="struct_nppi_size.html">NppiSize</a> </td>
<td class="paramname"><em>oSizeROI</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
</div>
</div>
<a class="anchor" id="gac5785c4a518b5473fa422d0a00999d29"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> nppiRGBToGray_16u_C3C1R_Ctx </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="group__npp__basic__types.html#ga6eb03aa649607e6a5e25affb0abd36db">Npp16u</a> * </td>
<td class="paramname"><em>pSrc</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>nSrcStep</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group__npp__basic__types.html#ga6eb03aa649607e6a5e25affb0abd36db">Npp16u</a> * </td>
<td class="paramname"><em>pDst</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>nDstStep</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="struct_nppi_size.html">NppiSize</a> </td>
<td class="paramname"><em>oSizeROI</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="struct_npp_stream_context.html">NppStreamContext</a> </td>
<td class="paramname"><em>nppStreamCtx</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>3 channel 16-bit unsigned packed RGB to 1 channel 16-bit unsigned packed Gray conversion. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">pSrc</td><td><a class="el" href="nppi_conventions_lb.html#source_image_pointer">Source-Image Pointer</a>. </td></tr>
<tr><td class="paramname">nSrcStep</td><td><a class="el" href="nppi_conventions_lb.html#source_image_line_step">Source-Image Line Step</a>. </td></tr>
<tr><td class="paramname">pDst</td><td><a class="el" href="nppi_conventions_lb.html#destination_image_pointer">Destination-Image Pointer</a>. </td></tr>
<tr><td class="paramname">nDstStep</td><td><a class="el" href="nppi_conventions_lb.html#destination_image_line_step">Destination-Image Line Step</a>. </td></tr>
<tr><td class="paramname">oSizeROI</td><td><a class="el" href="nppi_conventions_lb.html#roi_specification">Region-of-Interest (ROI)</a>. </td></tr>
<tr><td class="paramname">nppStreamCtx</td><td><a class="el" href="index.html#application_managed_stream_context">Application Managed Stream Context</a>. </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd><a class="el" href="nppi_conventions_lb.html#image_data_error_codes">Image Data Related Error Codes</a>, <a class="el" href="nppi_conventions_lb.html#roi_error_codes">ROI Related Error Codes</a> </dd></dl>
</div>
</div>
<a class="anchor" id="gaa512091e4f586445abb493596abc544b"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> nppiRGBToGray_32f_AC4C1R </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> * </td>
<td class="paramname"><em>pSrc</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>nSrcStep</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> * </td>
<td class="paramname"><em>pDst</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>nDstStep</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="struct_nppi_size.html">NppiSize</a> </td>
<td class="paramname"><em>oSizeROI</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
</div>
</div>
<a class="anchor" id="gac5af75c65a62d70150abed7ccded9c72"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> nppiRGBToGray_32f_AC4C1R_Ctx </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> * </td>
<td class="paramname"><em>pSrc</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>nSrcStep</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> * </td>
<td class="paramname"><em>pDst</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>nDstStep</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="struct_nppi_size.html">NppiSize</a> </td>
<td class="paramname"><em>oSizeROI</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="struct_npp_stream_context.html">NppStreamContext</a> </td>
<td class="paramname"><em>nppStreamCtx</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>4 channel 32-bit floating point packed RGB with alpha to 1 channel 32-bit floating point packed Gray conversion. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">pSrc</td><td><a class="el" href="nppi_conventions_lb.html#source_image_pointer">Source-Image Pointer</a>. </td></tr>
<tr><td class="paramname">nSrcStep</td><td><a class="el" href="nppi_conventions_lb.html#source_image_line_step">Source-Image Line Step</a>. </td></tr>
<tr><td class="paramname">pDst</td><td><a class="el" href="nppi_conventions_lb.html#destination_image_pointer">Destination-Image Pointer</a>. </td></tr>
<tr><td class="paramname">nDstStep</td><td><a class="el" href="nppi_conventions_lb.html#destination_image_line_step">Destination-Image Line Step</a>. </td></tr>
<tr><td class="paramname">oSizeROI</td><td><a class="el" href="nppi_conventions_lb.html#roi_specification">Region-of-Interest (ROI)</a>. </td></tr>
<tr><td class="paramname">nppStreamCtx</td><td><a class="el" href="index.html#application_managed_stream_context">Application Managed Stream Context</a>. </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd><a class="el" href="nppi_conventions_lb.html#image_data_error_codes">Image Data Related Error Codes</a>, <a class="el" href="nppi_conventions_lb.html#roi_error_codes">ROI Related Error Codes</a> </dd></dl>
</div>
</div>
<a class="anchor" id="gab28068e728715c202b259e0961130a32"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> nppiRGBToGray_32f_C3C1R </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> * </td>
<td class="paramname"><em>pSrc</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>nSrcStep</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> * </td>
<td class="paramname"><em>pDst</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>nDstStep</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="struct_nppi_size.html">NppiSize</a> </td>
<td class="paramname"><em>oSizeROI</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
</div>
</div>
<a class="anchor" id="gaf892e15019321bb537d6f4a154dcf458"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> nppiRGBToGray_32f_C3C1R_Ctx </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> * </td>
<td class="paramname"><em>pSrc</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>nSrcStep</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> * </td>
<td class="paramname"><em>pDst</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>nDstStep</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="struct_nppi_size.html">NppiSize</a> </td>
<td class="paramname"><em>oSizeROI</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="struct_npp_stream_context.html">NppStreamContext</a> </td>
<td class="paramname"><em>nppStreamCtx</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>3 channel 32-bit floating point packed RGB to 1 channel 32-bit floating point packed Gray conversion. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">pSrc</td><td><a class="el" href="nppi_conventions_lb.html#source_image_pointer">Source-Image Pointer</a>. </td></tr>
<tr><td class="paramname">nSrcStep</td><td><a class="el" href="nppi_conventions_lb.html#source_image_line_step">Source-Image Line Step</a>. </td></tr>
<tr><td class="paramname">pDst</td><td><a class="el" href="nppi_conventions_lb.html#destination_image_pointer">Destination-Image Pointer</a>. </td></tr>
<tr><td class="paramname">nDstStep</td><td><a class="el" href="nppi_conventions_lb.html#destination_image_line_step">Destination-Image Line Step</a>. </td></tr>
<tr><td class="paramname">oSizeROI</td><td><a class="el" href="nppi_conventions_lb.html#roi_specification">Region-of-Interest (ROI)</a>. </td></tr>
<tr><td class="paramname">nppStreamCtx</td><td><a class="el" href="index.html#application_managed_stream_context">Application Managed Stream Context</a>. </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd><a class="el" href="nppi_conventions_lb.html#image_data_error_codes">Image Data Related Error Codes</a>, <a class="el" href="nppi_conventions_lb.html#roi_error_codes">ROI Related Error Codes</a> </dd></dl>
</div>
</div>
<a class="anchor" id="ga4806ae35b188e4b38d0e75e4477e4bda"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> nppiRGBToGray_8u_AC4C1R </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="group__npp__basic__types.html#ga29b502b6816fc0066fd59538483a5b62">Npp8u</a> * </td>
<td class="paramname"><em>pSrc</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>nSrcStep</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group__npp__basic__types.html#ga29b502b6816fc0066fd59538483a5b62">Npp8u</a> * </td>
<td class="paramname"><em>pDst</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>nDstStep</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="struct_nppi_size.html">NppiSize</a> </td>
<td class="paramname"><em>oSizeROI</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
</div>
</div>
<a class="anchor" id="gac31574376d7b5e585a598d78911cc2c9"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> nppiRGBToGray_8u_AC4C1R_Ctx </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="group__npp__basic__types.html#ga29b502b6816fc0066fd59538483a5b62">Npp8u</a> * </td>
<td class="paramname"><em>pSrc</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>nSrcStep</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group__npp__basic__types.html#ga29b502b6816fc0066fd59538483a5b62">Npp8u</a> * </td>
<td class="paramname"><em>pDst</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>nDstStep</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="struct_nppi_size.html">NppiSize</a> </td>
<td class="paramname"><em>oSizeROI</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="struct_npp_stream_context.html">NppStreamContext</a> </td>
<td class="paramname"><em>nppStreamCtx</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>4 channel 8-bit unsigned packed RGB with alpha to 1 channel 8-bit unsigned packed Gray conversion. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">pSrc</td><td><a class="el" href="nppi_conventions_lb.html#source_image_pointer">Source-Image Pointer</a>. </td></tr>
<tr><td class="paramname">nSrcStep</td><td><a class="el" href="nppi_conventions_lb.html#source_image_line_step">Source-Image Line Step</a>. </td></tr>
<tr><td class="paramname">pDst</td><td><a class="el" href="nppi_conventions_lb.html#destination_image_pointer">Destination-Image Pointer</a>. </td></tr>
<tr><td class="paramname">nDstStep</td><td><a class="el" href="nppi_conventions_lb.html#destination_image_line_step">Destination-Image Line Step</a>. </td></tr>
<tr><td class="paramname">oSizeROI</td><td><a class="el" href="nppi_conventions_lb.html#roi_specification">Region-of-Interest (ROI)</a>. </td></tr>
<tr><td class="paramname">nppStreamCtx</td><td><a class="el" href="index.html#application_managed_stream_context">Application Managed Stream Context</a>. </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd><a class="el" href="nppi_conventions_lb.html#image_data_error_codes">Image Data Related Error Codes</a>, <a class="el" href="nppi_conventions_lb.html#roi_error_codes">ROI Related Error Codes</a> </dd></dl>
</div>
</div>
<a class="anchor" id="gac6f2d3985f60d219d27e166b23f418fb"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> nppiRGBToGray_8u_C3C1R </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="group__npp__basic__types.html#ga29b502b6816fc0066fd59538483a5b62">Npp8u</a> * </td>
<td class="paramname"><em>pSrc</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>nSrcStep</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group__npp__basic__types.html#ga29b502b6816fc0066fd59538483a5b62">Npp8u</a> * </td>
<td class="paramname"><em>pDst</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>nDstStep</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="struct_nppi_size.html">NppiSize</a> </td>
<td class="paramname"><em>oSizeROI</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
</div>
</div>
<a class="anchor" id="gafb422d7ead961dafc8e38dd65b2e146b"></a>
<div class="memitem">
<div class="memproto">
<table class="memname">
<tr>
<td class="memname"><a class="el" href="group__typedefs__npp.html#ga1105a17b5e76381583c46ecd6a60fe21">NppStatus</a> nppiRGBToGray_8u_C3C1R_Ctx </td>
<td>(</td>
<td class="paramtype">const <a class="el" href="group__npp__basic__types.html#ga29b502b6816fc0066fd59538483a5b62">Npp8u</a> * </td>
<td class="paramname"><em>pSrc</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>nSrcStep</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="group__npp__basic__types.html#ga29b502b6816fc0066fd59538483a5b62">Npp8u</a> * </td>
<td class="paramname"><em>pDst</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype">int </td>
<td class="paramname"><em>nDstStep</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="struct_nppi_size.html">NppiSize</a> </td>
<td class="paramname"><em>oSizeROI</em>, </td>
</tr>
<tr>
<td class="paramkey"></td>
<td></td>
<td class="paramtype"><a class="el" href="struct_npp_stream_context.html">NppStreamContext</a> </td>
<td class="paramname"><em>nppStreamCtx</em> </td>
</tr>
<tr>
<td></td>
<td>)</td>
<td></td><td></td>
</tr>
</table>
</div><div class="memdoc">
<p>3 channel 8-bit unsigned packed RGB to 1 channel 8-bit unsigned packed Gray conversion. </p>
<dl class="params"><dt>Parameters</dt><dd>
<table class="params">
<tr><td class="paramname">pSrc</td><td><a class="el" href="nppi_conventions_lb.html#source_image_pointer">Source-Image Pointer</a>. </td></tr>
<tr><td class="paramname">nSrcStep</td><td><a class="el" href="nppi_conventions_lb.html#source_image_line_step">Source-Image Line Step</a>. </td></tr>
<tr><td class="paramname">pDst</td><td><a class="el" href="nppi_conventions_lb.html#destination_image_pointer">Destination-Image Pointer</a>. </td></tr>
<tr><td class="paramname">nDstStep</td><td><a class="el" href="nppi_conventions_lb.html#destination_image_line_step">Destination-Image Line Step</a>. </td></tr>
<tr><td class="paramname">oSizeROI</td><td><a class="el" href="nppi_conventions_lb.html#roi_specification">Region-of-Interest (ROI)</a>. </td></tr>
<tr><td class="paramname">nppStreamCtx</td><td><a class="el" href="index.html#application_managed_stream_context">Application Managed Stream Context</a>. </td></tr>
</table>
</dd>
</dl>
<dl class="section return"><dt>Returns</dt><dd><a class="el" href="nppi_conventions_lb.html#image_data_error_codes">Image Data Related Error Codes</a>, <a class="el" href="nppi_conventions_lb.html#roi_error_codes">ROI Related Error Codes</a> </dd></dl>
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