<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN"> <html><head><meta http-equiv="Content-Type" content="text/html;charset=iso-8859-1"> <title>fourier.h File Reference</title> <link href="doxygen.css" rel="stylesheet" type="text/css"> <link href="tabs.css" rel="stylesheet" type="text/css"> </head><body> <div align="left"><a href="http://www.mrpt.org/">Main MRPT website</a> > <b>C++ reference</b> </div> <div align="right"> <a href="index.html"><img border="0" src="mrpt_logo.png" alt="MRPT logo"></a> </div> <!-- Generated by Doxygen 1.7.5 --> <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="namespaces.html"><span>Namespaces</span></a></li> <li><a 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class="textblock"><code>#include <<a class="el" href="utils__defs_8h_source.html">mrpt/utils/utils_defs.h</a>></code><br/> <code>#include <<a class="el" href="_c_matrix_template_numeric_8h_source.html">mrpt/math/CMatrixTemplateNumeric.h</a>></code><br/> </div><div class="textblock"><div class="dynheader"> Include dependency graph for fourier.h:</div> <div class="dyncontent"> <div class="center"><img src="fourier_8h__incl.png" border="0" usemap="#fourier_8h" alt=""/></div> <map name="fourier_8h" id="fourier_8h"> <area shape="rect" id="node3" href="utils__defs_8h.html" title="mrpt/utils/utils_defs.h" alt="" coords="1740,304,1887,331"/><area shape="rect" id="node120" href="_c_matrix_template_numeric_8h.html" title="mrpt/math/CMatrixTemplateNumeric.h" alt="" coords="1532,80,1777,107"/><area shape="rect" id="node7" href="os_8h.html" title="mrpt/system/os.h" alt="" coords="2693,379,2816,405"/><area shape="rect" id="node20" href="base_2include_2mrpt_2base_2link__pragmas_8h.html" 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id="node16" href="levmarq__impl_8h.html" title="levmarq_impl.h" alt="" coords="381,304,491,331"/><area shape="rect" id="node18" href="levmarq_8h.html" title="levmarq.h" alt="" coords="397,379,475,405"/><area shape="rect" id="node20" href="graphslam_8h.html" title="graphslam.h" alt="" coords="389,453,483,480"/><area shape="rect" id="node26" href="reactivenav_8h.html" title="reactivenav.h" alt="" coords="551,229,651,256"/><area shape="rect" id="node30" href="scanmatching_8h.html" title="scanmatching.h" alt="" coords="731,229,845,256"/><area shape="rect" id="node32" href="scan__matching_8h.html" title="scan_matching.h" alt="" coords="727,304,848,331"/></map> </div> </div> <p><a href="fourier_8h_source.html">Go to the source code of this file.</a></p> <table class="memberdecls"> <tr><td colspan="2"><h2><a name="namespaces"></a> Namespaces</h2></td></tr> <tr><td class="memItemLeft" align="right" valign="top">namespace  </td><td class="memItemRight" valign="bottom"><a class="el" href="namespacemrpt.html">mrpt</a></td></tr> <tr><td class="mdescLeft"> </td><td class="mdescRight"><p>This is the global namespace for all Mobile Robot Programming Toolkit (MRPT) libraries. </p> <br/></td></tr> <tr><td class="memItemLeft" align="right" valign="top">namespace  </td><td class="memItemRight" valign="bottom"><a class="el" href="namespacemrpt_1_1math.html">mrpt::math</a></td></tr> <tr><td class="mdescLeft"> </td><td class="mdescRight"><p>This base provides a set of functions for maths stuff. </p> <br/></td></tr> <tr><td colspan="2"><h2><a name="func-members"></a> Functions</h2></td></tr> <tr><td class="memItemLeft" align="right" valign="top">void BASE_IMPEXP </td><td class="memItemRight" valign="bottom"><a class="el" href="group__fourier__grp.html#gae749b48e5b92cd15c723b16a7d618ff2">mrpt::math::fft_real</a> (vector_float &in_realData, vector_float &out_FFT_Re, vector_float &out_FFT_Im, vector_float &out_FFT_Mag)</td></tr> <tr><td class="mdescLeft"> </td><td class="mdescRight">Computes the FFT of a 2^N-size vector of real numbers, and returns the Re+Im+Magnitude parts. <a href="group__fourier__grp.html#gae749b48e5b92cd15c723b16a7d618ff2"></a><br/></td></tr> <tr><td class="memItemLeft" align="right" valign="top">void BASE_IMPEXP </td><td class="memItemRight" valign="bottom"><a class="el" href="group__fourier__grp.html#ga014fd241ea8e475366d3e418e3c0d39a">mrpt::math::dft2_real</a> (const CMatrixFloat &in_data, CMatrixFloat &out_real, CMatrixFloat &out_imag)</td></tr> <tr><td class="mdescLeft"> </td><td class="mdescRight">Compute the 2D Discrete Fourier Transform (DFT) of a real matrix, returning the real and imaginary parts separately. <a href="group__fourier__grp.html#ga014fd241ea8e475366d3e418e3c0d39a"></a><br/></td></tr> <tr><td class="memItemLeft" align="right" valign="top">void BASE_IMPEXP </td><td class="memItemRight" valign="bottom"><a class="el" href="group__fourier__grp.html#gaee06620d7a7a003dbeeaa21c18af46ec">mrpt::math::idft2_real</a> (const CMatrixFloat &in_real, const CMatrixFloat &in_imag, CMatrixFloat &out_data)</td></tr> <tr><td class="mdescLeft"> </td><td class="mdescRight">Compute the 2D inverse Discrete Fourier Transform (DFT) <a href="group__fourier__grp.html#gaee06620d7a7a003dbeeaa21c18af46ec"></a><br/></td></tr> <tr><td class="memItemLeft" align="right" valign="top">void BASE_IMPEXP </td><td class="memItemRight" valign="bottom"><a class="el" href="group__fourier__grp.html#ga8755c43118b81440f188a2ec5b36874a">mrpt::math::dft2_complex</a> (const CMatrixFloat &in_real, const CMatrixFloat &in_imag, CMatrixFloat &out_real, CMatrixFloat &out_imag)</td></tr> <tr><td class="mdescLeft"> </td><td class="mdescRight">Compute the 2D Discrete Fourier Transform (DFT) of a complex matrix, returning the real and imaginary parts separately. <a href="group__fourier__grp.html#ga8755c43118b81440f188a2ec5b36874a"></a><br/></td></tr> <tr><td class="memItemLeft" align="right" valign="top">void BASE_IMPEXP </td><td class="memItemRight" valign="bottom"><a class="el" href="group__fourier__grp.html#gacd41a786500745eabb631c971d94d183">mrpt::math::idft2_complex</a> (const CMatrixFloat &in_real, const CMatrixFloat &in_imag, CMatrixFloat &out_real, CMatrixFloat &out_imag)</td></tr> <tr><td class="mdescLeft"> </td><td class="mdescRight">Compute the 2D inverse Discrete Fourier Transform (DFT). <a href="group__fourier__grp.html#gacd41a786500745eabb631c971d94d183"></a><br/></td></tr> <tr><td class="memItemLeft" align="right" valign="top">void BASE_IMPEXP </td><td class="memItemRight" valign="bottom"><a class="el" href="group__fourier__grp.html#gaf73df6c1be447d2a0e514d912f499bdc">mrpt::math::cross_correlation_FFT</a> (const CMatrixFloat &A, const CMatrixFloat &B, CMatrixFloat &out_corr)</td></tr> <tr><td class="mdescLeft"> </td><td class="mdescRight">Correlation of two matrixes using 2D FFT. <a href="group__fourier__grp.html#gaf73df6c1be447d2a0e514d912f499bdc"></a><br/></td></tr> </table> </div> <br><hr><br> <table border="0" width="100%"> <tr> <td> Page generated by <a href="http://www.doxygen.org" target="_blank">Doxygen 1.7.5</a> for MRPT 0.9.5 SVN: at Sun Sep 25 17:20:18 UTC 2011</td><td></td> <td width="100"> </td> <td width="150"> </td></tr> </table> </body></html>