<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd"> <html xmlns="http://www.w3.org/1999/xhtml"> <head> <meta http-equiv="Content-Type" content="text/xhtml;charset=UTF-8"/> <meta http-equiv="X-UA-Compatible" content="IE=9"/> <meta name="generator" content="Doxygen 1.8.5"/> <title>NVIDIA 2D Image And Signal Performance Primitives (NPP): Ln</title> <link href="tabs.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="jquery.js"></script> <script type="text/javascript" src="dynsections.js"></script> <link href="search/search.css" rel="stylesheet" type="text/css"/> <script type="text/javascript" src="search/search.js"></script> <script type="text/javascript"> $(document).ready(function() { searchBox.OnSelectItem(0); }); </script> <link href="doxygen.css" rel="stylesheet" type="text/css" /> </head> <body> <div id="top"><!-- do not remove this div, it is closed by doxygen! --> <div id="titlearea"> <table cellspacing="0" cellpadding="0"> <tbody> <tr style="height: 56px;"> <td style="padding-left: 0.5em;"> <div id="projectname">NVIDIA 2D Image And Signal Performance Primitives (NPP)  <span id="projectnumber">Version 10.1.1</span> </div> </td> </tr> </tbody> </table> </div> <!-- end header part --> <!-- Generated by Doxygen 1.8.5 --> <script type="text/javascript"> var searchBox = new SearchBox("searchBox", "search",false,'Search'); </script> <div id="navrow1" class="tabs"> <ul class="tablist"> <li><a href="index.html"><span>Main Page</span></a></li> <li><a href="pages.html"><span>Related Pages</span></a></li> <li><a href="modules.html"><span>Modules</span></a></li> <li><a href="annotated.html"><span>Data Structures</span></a></li> <li> <div id="MSearchBox" class="MSearchBoxInactive"> <span class="left"> <img id="MSearchSelect" src="search/mag_sel.png" onmouseover="return searchBox.OnSearchSelectShow()" onmouseout="return searchBox.OnSearchSelectHide()" alt=""/> <input type="text" 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name="MSearchResults" id="MSearchResults"> </iframe> </div> <div class="header"> <div class="summary"> <a href="#func-members">Functions</a> </div> <div class="headertitle"> <div class="title">Ln<div class="ingroups"><a class="el" href="group__image__arithmetic__operations.html">Arithmetic Operations</a></div></div> </div> </div><!--header--> <div class="contents"> <p>Pixel by pixel natural logarithm of each pixel in an image. <a href="#details">More...</a></p> <table class="memberdecls"> <tr class="heading"><td colspan="2"><h2 class="groupheader"><a name="func-members"></a> Functions</h2></td></tr> <tr class="memitem:ga1e63b3d6fa16d7fffaf292cb8b5959dd"><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__ln.html#ga1e63b3d6fa16d7fffaf292cb8b5959dd">nppiLn_8u_C1RSfs_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, int nScaleFactor, <a class="el" href="struct_npp_stream_context.html">NppStreamContext</a> nppStreamCtx)</td></tr> <tr class="memdesc:ga1e63b3d6fa16d7fffaf292cb8b5959dd"><td class="mdescLeft"> </td><td class="mdescRight">One 8-bit unsigned char channel image natural logarithm, scale by 2^(-nScaleFactor), then clamp to saturated value. <a href="#ga1e63b3d6fa16d7fffaf292cb8b5959dd">More...</a><br/></td></tr> <tr class="separator:ga1e63b3d6fa16d7fffaf292cb8b5959dd"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ga211bb9a16ff5a1c3354c08278b5b359b"><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__ln.html#ga211bb9a16ff5a1c3354c08278b5b359b">nppiLn_8u_C1RSfs</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, int nScaleFactor)</td></tr> <tr class="separator:ga211bb9a16ff5a1c3354c08278b5b359b"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ga7ff1f63b8aee924efed470e122c71dbe"><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__ln.html#ga7ff1f63b8aee924efed470e122c71dbe">nppiLn_8u_C1IRSfs_Ctx</a> (<a class="el" href="group__npp__basic__types.html#ga29b502b6816fc0066fd59538483a5b62">Npp8u</a> *pSrcDst, int nSrcDstStep, <a class="el" href="struct_nppi_size.html">NppiSize</a> oSizeROI, int nScaleFactor, <a class="el" href="struct_npp_stream_context.html">NppStreamContext</a> nppStreamCtx)</td></tr> <tr class="memdesc:ga7ff1f63b8aee924efed470e122c71dbe"><td class="mdescLeft"> </td><td class="mdescRight">One 8-bit unsigned char channel in place image natural logarithm, scale by 2^(-nScaleFactor), then clamp to saturated value. <a href="#ga7ff1f63b8aee924efed470e122c71dbe">More...</a><br/></td></tr> <tr class="separator:ga7ff1f63b8aee924efed470e122c71dbe"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:gaa55a995ac59ec50ee717326f00c84b0d"><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__ln.html#gaa55a995ac59ec50ee717326f00c84b0d">nppiLn_8u_C1IRSfs</a> (<a class="el" href="group__npp__basic__types.html#ga29b502b6816fc0066fd59538483a5b62">Npp8u</a> *pSrcDst, int nSrcDstStep, <a class="el" href="struct_nppi_size.html">NppiSize</a> oSizeROI, int nScaleFactor)</td></tr> <tr class="separator:gaa55a995ac59ec50ee717326f00c84b0d"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:gac801dc42f488183b6265d82debd6693b"><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__ln.html#gac801dc42f488183b6265d82debd6693b">nppiLn_8u_C3RSfs_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, int nScaleFactor, <a class="el" href="struct_npp_stream_context.html">NppStreamContext</a> nppStreamCtx)</td></tr> <tr class="memdesc:gac801dc42f488183b6265d82debd6693b"><td class="mdescLeft"> </td><td class="mdescRight">Three 8-bit unsigned char channel image natural logarithm, scale by 2^(-nScaleFactor), then clamp to saturated value. <a href="#gac801dc42f488183b6265d82debd6693b">More...</a><br/></td></tr> <tr class="separator:gac801dc42f488183b6265d82debd6693b"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:gab773c4d10666ae8b2d5d36e4f6d64f1f"><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__ln.html#gab773c4d10666ae8b2d5d36e4f6d64f1f">nppiLn_8u_C3RSfs</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, int nScaleFactor)</td></tr> <tr class="separator:gab773c4d10666ae8b2d5d36e4f6d64f1f"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:gaccd598737bf66826fa4dd7a021d8ba0b"><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__ln.html#gaccd598737bf66826fa4dd7a021d8ba0b">nppiLn_8u_C3IRSfs_Ctx</a> (<a class="el" href="group__npp__basic__types.html#ga29b502b6816fc0066fd59538483a5b62">Npp8u</a> *pSrcDst, int nSrcDstStep, <a class="el" href="struct_nppi_size.html">NppiSize</a> oSizeROI, int nScaleFactor, <a class="el" href="struct_npp_stream_context.html">NppStreamContext</a> nppStreamCtx)</td></tr> <tr class="memdesc:gaccd598737bf66826fa4dd7a021d8ba0b"><td class="mdescLeft"> </td><td class="mdescRight">Three 8-bit unsigned char channel in place image natural logarithm, scale by 2^(-nScaleFactor), then clamp to saturated value. <a href="#gaccd598737bf66826fa4dd7a021d8ba0b">More...</a><br/></td></tr> <tr class="separator:gaccd598737bf66826fa4dd7a021d8ba0b"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:gaf6cbc8d02ac35765bc33fd041b5e5b77"><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__ln.html#gaf6cbc8d02ac35765bc33fd041b5e5b77">nppiLn_8u_C3IRSfs</a> (<a class="el" href="group__npp__basic__types.html#ga29b502b6816fc0066fd59538483a5b62">Npp8u</a> *pSrcDst, int nSrcDstStep, <a class="el" href="struct_nppi_size.html">NppiSize</a> oSizeROI, int nScaleFactor)</td></tr> <tr class="separator:gaf6cbc8d02ac35765bc33fd041b5e5b77"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:gafaee6642c10936877f14621af73bbf61"><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__ln.html#gafaee6642c10936877f14621af73bbf61">nppiLn_16u_C1RSfs_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, int nScaleFactor, <a class="el" href="struct_npp_stream_context.html">NppStreamContext</a> nppStreamCtx)</td></tr> <tr class="memdesc:gafaee6642c10936877f14621af73bbf61"><td class="mdescLeft"> </td><td class="mdescRight">One 16-bit unsigned short channel image natural logarithm, scale by 2^(-nScaleFactor), then clamp to saturated value. <a href="#gafaee6642c10936877f14621af73bbf61">More...</a><br/></td></tr> <tr class="separator:gafaee6642c10936877f14621af73bbf61"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ga5b040767bd47a4b9f71642f062c55d58"><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__ln.html#ga5b040767bd47a4b9f71642f062c55d58">nppiLn_16u_C1RSfs</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, int nScaleFactor)</td></tr> <tr class="separator:ga5b040767bd47a4b9f71642f062c55d58"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:gad6b5bcc21d5413ec3303e2d0d4b8f1af"><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__ln.html#gad6b5bcc21d5413ec3303e2d0d4b8f1af">nppiLn_16u_C1IRSfs_Ctx</a> (<a class="el" href="group__npp__basic__types.html#ga6eb03aa649607e6a5e25affb0abd36db">Npp16u</a> *pSrcDst, int nSrcDstStep, <a class="el" href="struct_nppi_size.html">NppiSize</a> oSizeROI, int nScaleFactor, <a class="el" href="struct_npp_stream_context.html">NppStreamContext</a> nppStreamCtx)</td></tr> <tr class="memdesc:gad6b5bcc21d5413ec3303e2d0d4b8f1af"><td class="mdescLeft"> </td><td class="mdescRight">One 16-bit unsigned short channel in place image natural logarithm, scale by 2^(-nScaleFactor), then clamp to saturated value. <a href="#gad6b5bcc21d5413ec3303e2d0d4b8f1af">More...</a><br/></td></tr> <tr class="separator:gad6b5bcc21d5413ec3303e2d0d4b8f1af"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:gab4568c901843d3a98438f5a20e8ff198"><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__ln.html#gab4568c901843d3a98438f5a20e8ff198">nppiLn_16u_C1IRSfs</a> (<a class="el" href="group__npp__basic__types.html#ga6eb03aa649607e6a5e25affb0abd36db">Npp16u</a> *pSrcDst, int nSrcDstStep, <a class="el" href="struct_nppi_size.html">NppiSize</a> oSizeROI, int nScaleFactor)</td></tr> <tr class="separator:gab4568c901843d3a98438f5a20e8ff198"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:gae7aafb81db78cb2bc397ea4b5a0476b8"><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__ln.html#gae7aafb81db78cb2bc397ea4b5a0476b8">nppiLn_16u_C3RSfs_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, int nScaleFactor, <a class="el" href="struct_npp_stream_context.html">NppStreamContext</a> nppStreamCtx)</td></tr> <tr class="memdesc:gae7aafb81db78cb2bc397ea4b5a0476b8"><td class="mdescLeft"> </td><td class="mdescRight">Three 16-bit unsigned short channel image natural logarithm, scale by 2^(-nScaleFactor), then clamp to saturated value. <a href="#gae7aafb81db78cb2bc397ea4b5a0476b8">More...</a><br/></td></tr> <tr class="separator:gae7aafb81db78cb2bc397ea4b5a0476b8"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ga46d71798c85f4606fdd583fec15ddf32"><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__ln.html#ga46d71798c85f4606fdd583fec15ddf32">nppiLn_16u_C3RSfs</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, int nScaleFactor)</td></tr> <tr class="separator:ga46d71798c85f4606fdd583fec15ddf32"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:gaab621de7da5de616ad55011fb0fee4ef"><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__ln.html#gaab621de7da5de616ad55011fb0fee4ef">nppiLn_16u_C3IRSfs_Ctx</a> (<a class="el" href="group__npp__basic__types.html#ga6eb03aa649607e6a5e25affb0abd36db">Npp16u</a> *pSrcDst, int nSrcDstStep, <a class="el" href="struct_nppi_size.html">NppiSize</a> oSizeROI, int nScaleFactor, <a class="el" href="struct_npp_stream_context.html">NppStreamContext</a> nppStreamCtx)</td></tr> <tr class="memdesc:gaab621de7da5de616ad55011fb0fee4ef"><td class="mdescLeft"> </td><td class="mdescRight">Three 16-bit unsigned short channel in place image natural logarithm, scale by 2^(-nScaleFactor), then clamp to saturated value. <a href="#gaab621de7da5de616ad55011fb0fee4ef">More...</a><br/></td></tr> <tr class="separator:gaab621de7da5de616ad55011fb0fee4ef"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ga941f8b7c16596c2d6ec5499f2e0f55c7"><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__ln.html#ga941f8b7c16596c2d6ec5499f2e0f55c7">nppiLn_16u_C3IRSfs</a> (<a class="el" href="group__npp__basic__types.html#ga6eb03aa649607e6a5e25affb0abd36db">Npp16u</a> *pSrcDst, int nSrcDstStep, <a class="el" href="struct_nppi_size.html">NppiSize</a> oSizeROI, int nScaleFactor)</td></tr> <tr class="separator:ga941f8b7c16596c2d6ec5499f2e0f55c7"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:gad7b1e04b84191b8ce3eceea582cc26b2"><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__ln.html#gad7b1e04b84191b8ce3eceea582cc26b2">nppiLn_16s_C1RSfs_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, int nScaleFactor, <a class="el" href="struct_npp_stream_context.html">NppStreamContext</a> nppStreamCtx)</td></tr> <tr class="memdesc:gad7b1e04b84191b8ce3eceea582cc26b2"><td class="mdescLeft"> </td><td class="mdescRight">One 16-bit signed short channel image natural logarithm, scale by 2^(-nScaleFactor), then clamp to saturated value. <a href="#gad7b1e04b84191b8ce3eceea582cc26b2">More...</a><br/></td></tr> <tr class="separator:gad7b1e04b84191b8ce3eceea582cc26b2"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ga64a1c023b3eb95e7b554107ebe23de15"><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__ln.html#ga64a1c023b3eb95e7b554107ebe23de15">nppiLn_16s_C1RSfs</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, int nScaleFactor)</td></tr> <tr class="separator:ga64a1c023b3eb95e7b554107ebe23de15"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:gaabb427869e50d42dc5c0912e9ae382e8"><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__ln.html#gaabb427869e50d42dc5c0912e9ae382e8">nppiLn_16s_C1IRSfs_Ctx</a> (<a class="el" href="group__npp__basic__types.html#ga2eea681138ed3607f6a540f8a1c73b85">Npp16s</a> *pSrcDst, int nSrcDstStep, <a class="el" href="struct_nppi_size.html">NppiSize</a> oSizeROI, int nScaleFactor, <a class="el" href="struct_npp_stream_context.html">NppStreamContext</a> nppStreamCtx)</td></tr> <tr class="memdesc:gaabb427869e50d42dc5c0912e9ae382e8"><td class="mdescLeft"> </td><td class="mdescRight">One 16-bit signed short channel in place image natural logarithm, scale by 2^(-nScaleFactor), then clamp to saturated value. <a href="#gaabb427869e50d42dc5c0912e9ae382e8">More...</a><br/></td></tr> <tr class="separator:gaabb427869e50d42dc5c0912e9ae382e8"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:gaae228d93dd91935a71a330ac98566b98"><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__ln.html#gaae228d93dd91935a71a330ac98566b98">nppiLn_16s_C1IRSfs</a> (<a class="el" href="group__npp__basic__types.html#ga2eea681138ed3607f6a540f8a1c73b85">Npp16s</a> *pSrcDst, int nSrcDstStep, <a class="el" href="struct_nppi_size.html">NppiSize</a> oSizeROI, int nScaleFactor)</td></tr> <tr class="separator:gaae228d93dd91935a71a330ac98566b98"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:gab2ee84ce967587f5a27496c41918eae3"><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__ln.html#gab2ee84ce967587f5a27496c41918eae3">nppiLn_16s_C3RSfs_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, int nScaleFactor, <a class="el" href="struct_npp_stream_context.html">NppStreamContext</a> nppStreamCtx)</td></tr> <tr class="memdesc:gab2ee84ce967587f5a27496c41918eae3"><td class="mdescLeft"> </td><td class="mdescRight">Three 16-bit signed short channel image natural logarithm, scale by 2^(-nScaleFactor), then clamp to saturated value. <a href="#gab2ee84ce967587f5a27496c41918eae3">More...</a><br/></td></tr> <tr class="separator:gab2ee84ce967587f5a27496c41918eae3"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:gae1f15bebd3f0e5d30683c5acb27ee7e6"><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__ln.html#gae1f15bebd3f0e5d30683c5acb27ee7e6">nppiLn_16s_C3RSfs</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, int nScaleFactor)</td></tr> <tr class="separator:gae1f15bebd3f0e5d30683c5acb27ee7e6"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ga1bf6331941e4041380ad8970975cf548"><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__ln.html#ga1bf6331941e4041380ad8970975cf548">nppiLn_16s_C3IRSfs_Ctx</a> (<a class="el" href="group__npp__basic__types.html#ga2eea681138ed3607f6a540f8a1c73b85">Npp16s</a> *pSrcDst, int nSrcDstStep, <a class="el" href="struct_nppi_size.html">NppiSize</a> oSizeROI, int nScaleFactor, <a class="el" href="struct_npp_stream_context.html">NppStreamContext</a> nppStreamCtx)</td></tr> <tr class="memdesc:ga1bf6331941e4041380ad8970975cf548"><td class="mdescLeft"> </td><td class="mdescRight">Three 16-bit signed short channel in place image natural logarithm, scale by 2^(-nScaleFactor), then clamp to saturated value. <a href="#ga1bf6331941e4041380ad8970975cf548">More...</a><br/></td></tr> <tr class="separator:ga1bf6331941e4041380ad8970975cf548"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ga569f3f4172cfc80b5147eaef97bc60c0"><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__ln.html#ga569f3f4172cfc80b5147eaef97bc60c0">nppiLn_16s_C3IRSfs</a> (<a class="el" href="group__npp__basic__types.html#ga2eea681138ed3607f6a540f8a1c73b85">Npp16s</a> *pSrcDst, int nSrcDstStep, <a class="el" href="struct_nppi_size.html">NppiSize</a> oSizeROI, int nScaleFactor)</td></tr> <tr class="separator:ga569f3f4172cfc80b5147eaef97bc60c0"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ga354e34add91a81da2a289ad8fe7c8644"><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__ln.html#ga354e34add91a81da2a289ad8fe7c8644">nppiLn_16f_C1R_Ctx</a> (const <a class="el" href="struct_npp16f.html">Npp16f</a> *pSrc, int nSrcStep, <a class="el" href="struct_npp16f.html">Npp16f</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:ga354e34add91a81da2a289ad8fe7c8644"><td class="mdescLeft"> </td><td class="mdescRight">One 16-bit floating point channel image natural logarithm. <a href="#ga354e34add91a81da2a289ad8fe7c8644">More...</a><br/></td></tr> <tr class="separator:ga354e34add91a81da2a289ad8fe7c8644"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ga5751b18511ad4c03d3409ebb68ed37af"><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__ln.html#ga5751b18511ad4c03d3409ebb68ed37af">nppiLn_16f_C1R</a> (const <a class="el" href="struct_npp16f.html">Npp16f</a> *pSrc, int nSrcStep, <a class="el" href="struct_npp16f.html">Npp16f</a> *pDst, int nDstStep, <a class="el" href="struct_nppi_size.html">NppiSize</a> oSizeROI)</td></tr> <tr class="separator:ga5751b18511ad4c03d3409ebb68ed37af"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ga4904a62235801b5c822c4880a3f484ff"><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__ln.html#ga4904a62235801b5c822c4880a3f484ff">nppiLn_16f_C1IR_Ctx</a> (<a class="el" href="struct_npp16f.html">Npp16f</a> *pSrcDst, int nSrcDstStep, <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:ga4904a62235801b5c822c4880a3f484ff"><td class="mdescLeft"> </td><td class="mdescRight">One 16-bit floating point channel in place image natural logarithm. <a href="#ga4904a62235801b5c822c4880a3f484ff">More...</a><br/></td></tr> <tr class="separator:ga4904a62235801b5c822c4880a3f484ff"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:gad51bc5dcce7dfd1bc1136e6125f7e902"><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__ln.html#gad51bc5dcce7dfd1bc1136e6125f7e902">nppiLn_16f_C1IR</a> (<a class="el" href="struct_npp16f.html">Npp16f</a> *pSrcDst, int nSrcDstStep, <a class="el" href="struct_nppi_size.html">NppiSize</a> oSizeROI)</td></tr> <tr class="separator:gad51bc5dcce7dfd1bc1136e6125f7e902"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:gaebd86b38bcd0892af6abeffd2617cefb"><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__ln.html#gaebd86b38bcd0892af6abeffd2617cefb">nppiLn_16f_C3R_Ctx</a> (const <a class="el" href="struct_npp16f.html">Npp16f</a> *pSrc, int nSrcStep, <a class="el" href="struct_npp16f.html">Npp16f</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:gaebd86b38bcd0892af6abeffd2617cefb"><td class="mdescLeft"> </td><td class="mdescRight">Three 16-bit floating point channel image natural logarithm. <a href="#gaebd86b38bcd0892af6abeffd2617cefb">More...</a><br/></td></tr> <tr class="separator:gaebd86b38bcd0892af6abeffd2617cefb"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ga46f8a54cd0ad652b1a149d06716a2a59"><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__ln.html#ga46f8a54cd0ad652b1a149d06716a2a59">nppiLn_16f_C3R</a> (const <a class="el" href="struct_npp16f.html">Npp16f</a> *pSrc, int nSrcStep, <a class="el" href="struct_npp16f.html">Npp16f</a> *pDst, int nDstStep, <a class="el" href="struct_nppi_size.html">NppiSize</a> oSizeROI)</td></tr> <tr class="separator:ga46f8a54cd0ad652b1a149d06716a2a59"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ga4c4d8ee59ea998e3fd79314ee7ba83ba"><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__ln.html#ga4c4d8ee59ea998e3fd79314ee7ba83ba">nppiLn_16f_C3IR_Ctx</a> (<a class="el" href="struct_npp16f.html">Npp16f</a> *pSrcDst, int nSrcDstStep, <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:ga4c4d8ee59ea998e3fd79314ee7ba83ba"><td class="mdescLeft"> </td><td class="mdescRight">Three 16-bit floating point channel in place image natural logarithm. <a href="#ga4c4d8ee59ea998e3fd79314ee7ba83ba">More...</a><br/></td></tr> <tr class="separator:ga4c4d8ee59ea998e3fd79314ee7ba83ba"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:gaf11ddb049ffa4e1dc88e012052df66a1"><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__ln.html#gaf11ddb049ffa4e1dc88e012052df66a1">nppiLn_16f_C3IR</a> (<a class="el" href="struct_npp16f.html">Npp16f</a> *pSrcDst, int nSrcDstStep, <a class="el" href="struct_nppi_size.html">NppiSize</a> oSizeROI)</td></tr> <tr class="separator:gaf11ddb049ffa4e1dc88e012052df66a1"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:gae46dd4534277384f3d6f3093cd0da72b"><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__ln.html#gae46dd4534277384f3d6f3093cd0da72b">nppiLn_32f_C1R_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="struct_npp_stream_context.html">NppStreamContext</a> nppStreamCtx)</td></tr> <tr class="memdesc:gae46dd4534277384f3d6f3093cd0da72b"><td class="mdescLeft"> </td><td class="mdescRight">One 32-bit floating point channel image natural logarithm. <a href="#gae46dd4534277384f3d6f3093cd0da72b">More...</a><br/></td></tr> <tr class="separator:gae46dd4534277384f3d6f3093cd0da72b"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ga5d5df030aa268e511a4898ae8fd91724"><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__ln.html#ga5d5df030aa268e511a4898ae8fd91724">nppiLn_32f_C1R</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)</td></tr> <tr class="separator:ga5d5df030aa268e511a4898ae8fd91724"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ga5bc1c97ac106693d5b008dd2a0b45070"><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__ln.html#ga5bc1c97ac106693d5b008dd2a0b45070">nppiLn_32f_C1IR_Ctx</a> (<a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> *pSrcDst, int nSrcDstStep, <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:ga5bc1c97ac106693d5b008dd2a0b45070"><td class="mdescLeft"> </td><td class="mdescRight">One 32-bit floating point channel in place image natural logarithm. <a href="#ga5bc1c97ac106693d5b008dd2a0b45070">More...</a><br/></td></tr> <tr class="separator:ga5bc1c97ac106693d5b008dd2a0b45070"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ga69a94c51796d978fb0c9416bada0a105"><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__ln.html#ga69a94c51796d978fb0c9416bada0a105">nppiLn_32f_C1IR</a> (<a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> *pSrcDst, int nSrcDstStep, <a class="el" href="struct_nppi_size.html">NppiSize</a> oSizeROI)</td></tr> <tr class="separator:ga69a94c51796d978fb0c9416bada0a105"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:gabbd7f57a9c240255d98b5d0523049f39"><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__ln.html#gabbd7f57a9c240255d98b5d0523049f39">nppiLn_32f_C3R_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="struct_npp_stream_context.html">NppStreamContext</a> nppStreamCtx)</td></tr> <tr class="memdesc:gabbd7f57a9c240255d98b5d0523049f39"><td class="mdescLeft"> </td><td class="mdescRight">Three 32-bit floating point channel image natural logarithm. <a href="#gabbd7f57a9c240255d98b5d0523049f39">More...</a><br/></td></tr> <tr class="separator:gabbd7f57a9c240255d98b5d0523049f39"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ga2eef63ea16c9a32fd770ef557c5f3ca8"><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__ln.html#ga2eef63ea16c9a32fd770ef557c5f3ca8">nppiLn_32f_C3R</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)</td></tr> <tr class="separator:ga2eef63ea16c9a32fd770ef557c5f3ca8"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:gad6fb8cfa1225084049665560a99767ff"><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__ln.html#gad6fb8cfa1225084049665560a99767ff">nppiLn_32f_C3IR_Ctx</a> (<a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> *pSrcDst, int nSrcDstStep, <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:gad6fb8cfa1225084049665560a99767ff"><td class="mdescLeft"> </td><td class="mdescRight">Three 32-bit floating point channel in place image natural logarithm. <a href="#gad6fb8cfa1225084049665560a99767ff">More...</a><br/></td></tr> <tr class="separator:gad6fb8cfa1225084049665560a99767ff"><td class="memSeparator" colspan="2"> </td></tr> <tr class="memitem:ga044bf2ba8431a0579b976e8e3f293d82"><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__ln.html#ga044bf2ba8431a0579b976e8e3f293d82">nppiLn_32f_C3IR</a> (<a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> *pSrcDst, int nSrcDstStep, <a class="el" href="struct_nppi_size.html">NppiSize</a> oSizeROI)</td></tr> <tr class="separator:ga044bf2ba8431a0579b976e8e3f293d82"><td class="memSeparator" colspan="2"> </td></tr> </table> <a name="details" id="details"></a><h2 class="groupheader">Detailed Description</h2> <p>Pixel by pixel natural logarithm of each pixel in an image. </p> <h2 class="groupheader">Function Documentation</h2> <a class="anchor" id="gad51bc5dcce7dfd1bc1136e6125f7e902"></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> nppiLn_16f_C1IR </td> <td>(</td> <td class="paramtype"><a class="el" href="struct_npp16f.html">Npp16f</a> * </td> <td class="paramname"><em>pSrcDst</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>nSrcDstStep</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="ga4904a62235801b5c822c4880a3f484ff"></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> nppiLn_16f_C1IR_Ctx </td> <td>(</td> <td class="paramtype"><a class="el" href="struct_npp16f.html">Npp16f</a> * </td> <td class="paramname"><em>pSrcDst</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>nSrcDstStep</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>One 16-bit floating point channel in place image natural logarithm. </p> <dl class="params"><dt>Parameters</dt><dd> <table class="params"> <tr><td class="paramname">pSrcDst</td><td><a class="el" href="nppi_conventions_lb.html#in_place_image_pointer">In-Place Image Pointer</a>. </td></tr> <tr><td class="paramname">nSrcDstStep</td><td><a class="el" href="nppi_conventions_lb.html#in_place_image_line_step">In-Place-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="ga5751b18511ad4c03d3409ebb68ed37af"></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> nppiLn_16f_C1R </td> <td>(</td> <td class="paramtype">const <a class="el" href="struct_npp16f.html">Npp16f</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="struct_npp16f.html">Npp16f</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="ga354e34add91a81da2a289ad8fe7c8644"></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> nppiLn_16f_C1R_Ctx </td> <td>(</td> <td class="paramtype">const <a class="el" href="struct_npp16f.html">Npp16f</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="struct_npp16f.html">Npp16f</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>One 16-bit floating point channel image natural logarithm. </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="gaf11ddb049ffa4e1dc88e012052df66a1"></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> nppiLn_16f_C3IR </td> <td>(</td> <td class="paramtype"><a class="el" href="struct_npp16f.html">Npp16f</a> * </td> <td class="paramname"><em>pSrcDst</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>nSrcDstStep</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="ga4c4d8ee59ea998e3fd79314ee7ba83ba"></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> nppiLn_16f_C3IR_Ctx </td> <td>(</td> <td class="paramtype"><a class="el" href="struct_npp16f.html">Npp16f</a> * </td> <td class="paramname"><em>pSrcDst</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>nSrcDstStep</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>Three 16-bit floating point channel in place image natural logarithm. </p> <dl class="params"><dt>Parameters</dt><dd> <table class="params"> <tr><td class="paramname">pSrcDst</td><td><a class="el" href="nppi_conventions_lb.html#in_place_image_pointer">In-Place Image Pointer</a>. </td></tr> <tr><td class="paramname">nSrcDstStep</td><td><a class="el" href="nppi_conventions_lb.html#in_place_image_line_step">In-Place-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="ga46f8a54cd0ad652b1a149d06716a2a59"></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> nppiLn_16f_C3R </td> <td>(</td> <td class="paramtype">const <a class="el" href="struct_npp16f.html">Npp16f</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="struct_npp16f.html">Npp16f</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="gaebd86b38bcd0892af6abeffd2617cefb"></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> nppiLn_16f_C3R_Ctx </td> <td>(</td> <td class="paramtype">const <a class="el" href="struct_npp16f.html">Npp16f</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="struct_npp16f.html">Npp16f</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>Three 16-bit floating point channel image natural logarithm. </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="gaae228d93dd91935a71a330ac98566b98"></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> nppiLn_16s_C1IRSfs </td> <td>(</td> <td class="paramtype"><a class="el" href="group__npp__basic__types.html#ga2eea681138ed3607f6a540f8a1c73b85">Npp16s</a> * </td> <td class="paramname"><em>pSrcDst</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>nSrcDstStep</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">int </td> <td class="paramname"><em>nScaleFactor</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td> </tr> </table> </div><div class="memdoc"> </div> </div> <a class="anchor" id="gaabb427869e50d42dc5c0912e9ae382e8"></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> nppiLn_16s_C1IRSfs_Ctx </td> <td>(</td> <td class="paramtype"><a class="el" href="group__npp__basic__types.html#ga2eea681138ed3607f6a540f8a1c73b85">Npp16s</a> * </td> <td class="paramname"><em>pSrcDst</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>nSrcDstStep</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">int </td> <td class="paramname"><em>nScaleFactor</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>One 16-bit signed short channel in place image natural logarithm, scale by 2^(-nScaleFactor), then clamp to saturated value. </p> <dl class="params"><dt>Parameters</dt><dd> <table class="params"> <tr><td class="paramname">pSrcDst</td><td><a class="el" href="nppi_conventions_lb.html#in_place_image_pointer">In-Place Image Pointer</a>. </td></tr> <tr><td class="paramname">nSrcDstStep</td><td><a class="el" href="nppi_conventions_lb.html#in_place_image_line_step">In-Place-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">nScaleFactor</td><td><a class="el" href="general_conventions_lb.html#integer_result_scaling">Integer Result Scaling</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="ga64a1c023b3eb95e7b554107ebe23de15"></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> nppiLn_16s_C1RSfs </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">int </td> <td class="paramname"><em>nScaleFactor</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td> </tr> </table> </div><div class="memdoc"> </div> </div> <a class="anchor" id="gad7b1e04b84191b8ce3eceea582cc26b2"></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> nppiLn_16s_C1RSfs_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">int </td> <td class="paramname"><em>nScaleFactor</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>One 16-bit signed short channel image natural logarithm, scale by 2^(-nScaleFactor), then clamp to saturated value. </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">nScaleFactor</td><td><a class="el" href="general_conventions_lb.html#integer_result_scaling">Integer Result Scaling</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="ga569f3f4172cfc80b5147eaef97bc60c0"></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> nppiLn_16s_C3IRSfs </td> <td>(</td> <td class="paramtype"><a class="el" href="group__npp__basic__types.html#ga2eea681138ed3607f6a540f8a1c73b85">Npp16s</a> * </td> <td class="paramname"><em>pSrcDst</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>nSrcDstStep</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">int </td> <td class="paramname"><em>nScaleFactor</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td> </tr> </table> </div><div class="memdoc"> </div> </div> <a class="anchor" id="ga1bf6331941e4041380ad8970975cf548"></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> nppiLn_16s_C3IRSfs_Ctx </td> <td>(</td> <td class="paramtype"><a class="el" href="group__npp__basic__types.html#ga2eea681138ed3607f6a540f8a1c73b85">Npp16s</a> * </td> <td class="paramname"><em>pSrcDst</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>nSrcDstStep</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">int </td> <td class="paramname"><em>nScaleFactor</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>Three 16-bit signed short channel in place image natural logarithm, scale by 2^(-nScaleFactor), then clamp to saturated value. </p> <dl class="params"><dt>Parameters</dt><dd> <table class="params"> <tr><td class="paramname">pSrcDst</td><td><a class="el" href="nppi_conventions_lb.html#in_place_image_pointer">In-Place Image Pointer</a>. </td></tr> <tr><td class="paramname">nSrcDstStep</td><td><a class="el" href="nppi_conventions_lb.html#in_place_image_line_step">In-Place-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">nScaleFactor</td><td><a class="el" href="general_conventions_lb.html#integer_result_scaling">Integer Result Scaling</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="gae1f15bebd3f0e5d30683c5acb27ee7e6"></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> nppiLn_16s_C3RSfs </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">int </td> <td class="paramname"><em>nScaleFactor</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td> </tr> </table> </div><div class="memdoc"> </div> </div> <a class="anchor" id="gab2ee84ce967587f5a27496c41918eae3"></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> nppiLn_16s_C3RSfs_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">int </td> <td class="paramname"><em>nScaleFactor</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>Three 16-bit signed short channel image natural logarithm, scale by 2^(-nScaleFactor), then clamp to saturated value. </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">nScaleFactor</td><td><a class="el" href="general_conventions_lb.html#integer_result_scaling">Integer Result Scaling</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="gab4568c901843d3a98438f5a20e8ff198"></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> nppiLn_16u_C1IRSfs </td> <td>(</td> <td class="paramtype"><a class="el" href="group__npp__basic__types.html#ga6eb03aa649607e6a5e25affb0abd36db">Npp16u</a> * </td> <td class="paramname"><em>pSrcDst</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>nSrcDstStep</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">int </td> <td class="paramname"><em>nScaleFactor</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td> </tr> </table> </div><div class="memdoc"> </div> </div> <a class="anchor" id="gad6b5bcc21d5413ec3303e2d0d4b8f1af"></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> nppiLn_16u_C1IRSfs_Ctx </td> <td>(</td> <td class="paramtype"><a class="el" href="group__npp__basic__types.html#ga6eb03aa649607e6a5e25affb0abd36db">Npp16u</a> * </td> <td class="paramname"><em>pSrcDst</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>nSrcDstStep</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">int </td> <td class="paramname"><em>nScaleFactor</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>One 16-bit unsigned short channel in place image natural logarithm, scale by 2^(-nScaleFactor), then clamp to saturated value. </p> <dl class="params"><dt>Parameters</dt><dd> <table class="params"> <tr><td class="paramname">pSrcDst</td><td><a class="el" href="nppi_conventions_lb.html#in_place_image_pointer">In-Place Image Pointer</a>. </td></tr> <tr><td class="paramname">nSrcDstStep</td><td><a class="el" href="nppi_conventions_lb.html#in_place_image_line_step">In-Place-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">nScaleFactor</td><td><a class="el" href="general_conventions_lb.html#integer_result_scaling">Integer Result Scaling</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="ga5b040767bd47a4b9f71642f062c55d58"></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> nppiLn_16u_C1RSfs </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">int </td> <td class="paramname"><em>nScaleFactor</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td> </tr> </table> </div><div class="memdoc"> </div> </div> <a class="anchor" id="gafaee6642c10936877f14621af73bbf61"></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> nppiLn_16u_C1RSfs_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">int </td> <td class="paramname"><em>nScaleFactor</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>One 16-bit unsigned short channel image natural logarithm, scale by 2^(-nScaleFactor), then clamp to saturated value. </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">nScaleFactor</td><td><a class="el" href="general_conventions_lb.html#integer_result_scaling">Integer Result Scaling</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="ga941f8b7c16596c2d6ec5499f2e0f55c7"></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> nppiLn_16u_C3IRSfs </td> <td>(</td> <td class="paramtype"><a class="el" href="group__npp__basic__types.html#ga6eb03aa649607e6a5e25affb0abd36db">Npp16u</a> * </td> <td class="paramname"><em>pSrcDst</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>nSrcDstStep</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">int </td> <td class="paramname"><em>nScaleFactor</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td> </tr> </table> </div><div class="memdoc"> </div> </div> <a class="anchor" id="gaab621de7da5de616ad55011fb0fee4ef"></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> nppiLn_16u_C3IRSfs_Ctx </td> <td>(</td> <td class="paramtype"><a class="el" href="group__npp__basic__types.html#ga6eb03aa649607e6a5e25affb0abd36db">Npp16u</a> * </td> <td class="paramname"><em>pSrcDst</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>nSrcDstStep</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">int </td> <td class="paramname"><em>nScaleFactor</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>Three 16-bit unsigned short channel in place image natural logarithm, scale by 2^(-nScaleFactor), then clamp to saturated value. </p> <dl class="params"><dt>Parameters</dt><dd> <table class="params"> <tr><td class="paramname">pSrcDst</td><td><a class="el" href="nppi_conventions_lb.html#in_place_image_pointer">In-Place Image Pointer</a>. </td></tr> <tr><td class="paramname">nSrcDstStep</td><td><a class="el" href="nppi_conventions_lb.html#in_place_image_line_step">In-Place-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">nScaleFactor</td><td><a class="el" href="general_conventions_lb.html#integer_result_scaling">Integer Result Scaling</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="ga46d71798c85f4606fdd583fec15ddf32"></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> nppiLn_16u_C3RSfs </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">int </td> <td class="paramname"><em>nScaleFactor</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td> </tr> </table> </div><div class="memdoc"> </div> </div> <a class="anchor" id="gae7aafb81db78cb2bc397ea4b5a0476b8"></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> nppiLn_16u_C3RSfs_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">int </td> <td class="paramname"><em>nScaleFactor</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>Three 16-bit unsigned short channel image natural logarithm, scale by 2^(-nScaleFactor), then clamp to saturated value. </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">nScaleFactor</td><td><a class="el" href="general_conventions_lb.html#integer_result_scaling">Integer Result Scaling</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="ga69a94c51796d978fb0c9416bada0a105"></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> nppiLn_32f_C1IR </td> <td>(</td> <td class="paramtype"><a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> * </td> <td class="paramname"><em>pSrcDst</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>nSrcDstStep</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="ga5bc1c97ac106693d5b008dd2a0b45070"></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> nppiLn_32f_C1IR_Ctx </td> <td>(</td> <td class="paramtype"><a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> * </td> <td class="paramname"><em>pSrcDst</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>nSrcDstStep</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>One 32-bit floating point channel in place image natural logarithm. </p> <dl class="params"><dt>Parameters</dt><dd> <table class="params"> <tr><td class="paramname">pSrcDst</td><td><a class="el" href="nppi_conventions_lb.html#in_place_image_pointer">In-Place Image Pointer</a>. </td></tr> <tr><td class="paramname">nSrcDstStep</td><td><a class="el" href="nppi_conventions_lb.html#in_place_image_line_step">In-Place-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="ga5d5df030aa268e511a4898ae8fd91724"></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> nppiLn_32f_C1R </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="gae46dd4534277384f3d6f3093cd0da72b"></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> nppiLn_32f_C1R_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>One 32-bit floating point channel image natural logarithm. </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="ga044bf2ba8431a0579b976e8e3f293d82"></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> nppiLn_32f_C3IR </td> <td>(</td> <td class="paramtype"><a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> * </td> <td class="paramname"><em>pSrcDst</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>nSrcDstStep</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="gad6fb8cfa1225084049665560a99767ff"></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> nppiLn_32f_C3IR_Ctx </td> <td>(</td> <td class="paramtype"><a class="el" href="group__npp__basic__types.html#ga274ed0e3c4cbc89f644143f64e2391ee">Npp32f</a> * </td> <td class="paramname"><em>pSrcDst</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>nSrcDstStep</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>Three 32-bit floating point channel in place image natural logarithm. </p> <dl class="params"><dt>Parameters</dt><dd> <table class="params"> <tr><td class="paramname">pSrcDst</td><td><a class="el" href="nppi_conventions_lb.html#in_place_image_pointer">In-Place Image Pointer</a>. </td></tr> <tr><td class="paramname">nSrcDstStep</td><td><a class="el" href="nppi_conventions_lb.html#in_place_image_line_step">In-Place-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="ga2eef63ea16c9a32fd770ef557c5f3ca8"></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> nppiLn_32f_C3R </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="gabbd7f57a9c240255d98b5d0523049f39"></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> nppiLn_32f_C3R_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>Three 32-bit floating point channel image natural logarithm. </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="gaa55a995ac59ec50ee717326f00c84b0d"></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> nppiLn_8u_C1IRSfs </td> <td>(</td> <td class="paramtype"><a class="el" href="group__npp__basic__types.html#ga29b502b6816fc0066fd59538483a5b62">Npp8u</a> * </td> <td class="paramname"><em>pSrcDst</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>nSrcDstStep</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">int </td> <td class="paramname"><em>nScaleFactor</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td> </tr> </table> </div><div class="memdoc"> </div> </div> <a class="anchor" id="ga7ff1f63b8aee924efed470e122c71dbe"></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> nppiLn_8u_C1IRSfs_Ctx </td> <td>(</td> <td class="paramtype"><a class="el" href="group__npp__basic__types.html#ga29b502b6816fc0066fd59538483a5b62">Npp8u</a> * </td> <td class="paramname"><em>pSrcDst</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>nSrcDstStep</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">int </td> <td class="paramname"><em>nScaleFactor</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>One 8-bit unsigned char channel in place image natural logarithm, scale by 2^(-nScaleFactor), then clamp to saturated value. </p> <dl class="params"><dt>Parameters</dt><dd> <table class="params"> <tr><td class="paramname">pSrcDst</td><td><a class="el" href="nppi_conventions_lb.html#in_place_image_pointer">In-Place Image Pointer</a>. </td></tr> <tr><td class="paramname">nSrcDstStep</td><td><a class="el" href="nppi_conventions_lb.html#in_place_image_line_step">In-Place-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">nScaleFactor</td><td><a class="el" href="general_conventions_lb.html#integer_result_scaling">Integer Result Scaling</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="ga211bb9a16ff5a1c3354c08278b5b359b"></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> nppiLn_8u_C1RSfs </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">int </td> <td class="paramname"><em>nScaleFactor</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td> </tr> </table> </div><div class="memdoc"> </div> </div> <a class="anchor" id="ga1e63b3d6fa16d7fffaf292cb8b5959dd"></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> nppiLn_8u_C1RSfs_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">int </td> <td class="paramname"><em>nScaleFactor</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>One 8-bit unsigned char channel image natural logarithm, scale by 2^(-nScaleFactor), then clamp to saturated value. </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">nScaleFactor</td><td><a class="el" href="general_conventions_lb.html#integer_result_scaling">Integer Result Scaling</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="gaf6cbc8d02ac35765bc33fd041b5e5b77"></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> nppiLn_8u_C3IRSfs </td> <td>(</td> <td class="paramtype"><a class="el" href="group__npp__basic__types.html#ga29b502b6816fc0066fd59538483a5b62">Npp8u</a> * </td> <td class="paramname"><em>pSrcDst</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>nSrcDstStep</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">int </td> <td class="paramname"><em>nScaleFactor</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td> </tr> </table> </div><div class="memdoc"> </div> </div> <a class="anchor" id="gaccd598737bf66826fa4dd7a021d8ba0b"></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> nppiLn_8u_C3IRSfs_Ctx </td> <td>(</td> <td class="paramtype"><a class="el" href="group__npp__basic__types.html#ga29b502b6816fc0066fd59538483a5b62">Npp8u</a> * </td> <td class="paramname"><em>pSrcDst</em>, </td> </tr> <tr> <td class="paramkey"></td> <td></td> <td class="paramtype">int </td> <td class="paramname"><em>nSrcDstStep</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">int </td> <td class="paramname"><em>nScaleFactor</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>Three 8-bit unsigned char channel in place image natural logarithm, scale by 2^(-nScaleFactor), then clamp to saturated value. </p> <dl class="params"><dt>Parameters</dt><dd> <table class="params"> <tr><td class="paramname">pSrcDst</td><td><a class="el" href="nppi_conventions_lb.html#in_place_image_pointer">In-Place Image Pointer</a>. </td></tr> <tr><td class="paramname">nSrcDstStep</td><td><a class="el" href="nppi_conventions_lb.html#in_place_image_line_step">In-Place-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">nScaleFactor</td><td><a class="el" href="general_conventions_lb.html#integer_result_scaling">Integer Result Scaling</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="gab773c4d10666ae8b2d5d36e4f6d64f1f"></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> nppiLn_8u_C3RSfs </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">int </td> <td class="paramname"><em>nScaleFactor</em> </td> </tr> <tr> <td></td> <td>)</td> <td></td><td></td> </tr> </table> </div><div class="memdoc"> </div> </div> <a class="anchor" id="gac801dc42f488183b6265d82debd6693b"></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> nppiLn_8u_C3RSfs_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">int </td> <td class="paramname"><em>nScaleFactor</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>Three 8-bit unsigned char channel image natural logarithm, scale by 2^(-nScaleFactor), then clamp to saturated value. </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">nScaleFactor</td><td><a class="el" href="general_conventions_lb.html#integer_result_scaling">Integer Result Scaling</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> </div><!-- contents --> <HR> <center>Copyright © 2009-2019 NVIDIA Corporation</center> <HR>