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<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.01 Transitional//EN" "http://www.w3.org/TR/REC-html40/loose.dtd"><html><head> <title>Description of makeOrientationPyramid</title> <meta name="keywords" content="makeOrientationPyramid"> <meta name="description" content="makeOrientationPyramid - creates an orientation pyramid."> <meta http-equiv="Content-Type" content="text/html; charset=iso-8859-1"> <meta name="generator" content="m2html © 2003 Guillaume Flandin"> <meta name="robots" content="index, follow"> <link type="text/css" rel="stylesheet" href="../m2html.css"></head><body><a name="_top"></a><div><a href="../index.html">Home</a> > <a href="#">mfiles</a> > makeOrientationPyramid.m</div><!--<table width="100%"><tr><td align="left"><a href="../index.html"><img alt="<" border="0" src="../left.png"> Master index</a></td><td align="right"><a href="index.html">Index for .\mfiles <img alt=">" border="0" src="../right.png"></a></td></tr></table>--><h1>makeOrientationPyramid</h1><h2><a name="_name"></a>PURPOSE <a href="#_top"><img alt="^" border="0" src="../up.png"></a></h2><div class="box"><strong>makeOrientationPyramid - creates an orientation pyramid.</strong></div><h2><a name="_synopsis"></a>SYNOPSIS <a href="#_top"><img alt="^" border="0" src="../up.png"></a></h2><div class="box"><strong>function oriPyr = makeOrientationPyramid(intPyr,gaborParams,angle) </strong></div><h2><a name="_description"></a>DESCRIPTION <a href="#_top"><img alt="^" border="0" src="../up.png"></a></h2><div class="fragment"><pre class="comment"> makeOrientationPyramid - creates an orientation pyramid. oriPyr = makeOrientationPyramid(intPyr,gaborParams,angle) Creates an orientation pyramid from a given intensity pyramid with Gabor filters defined in gaborParams and at the orientation given by angle (in degrees, 0 is horizontal). See also <a href="gaborFilterMap.html" class="code" title="function resultMap = gaborFilterMap(map,gaborParams,angle)">gaborFilterMap</a>, <a href="makeFeaturePyramids.html" class="code" title="function pyrs = makeFeaturePyramids(img,featureType,salParams,varargin)">makeFeaturePyramids</a>, <a href="makeIntensityPyramid.html" class="code" title="function intPyr = makeIntensityPyramid(image,type)">makeIntensityPyramid</a>, <a href="dataStructures.html" class="code" title="">dataStructures</a>.</pre></div><!-- crossreference --><h2><a name="_cross"></a>CROSS-REFERENCE INFORMATION <a href="#_top"><img alt="^" border="0" src="../up.png"></a></h2>This function calls:<ul style="list-style-image:url(../matlabicon.gif)"><li><a href="gaborFilterMap.html" class="code" title="function resultMap = gaborFilterMap(map,gaborParams,angle)">gaborFilterMap</a> gaborFilterMap - compute a gabor-filtered version of a map.</li><li><a href="timeString.html" class="code" title="function s = timeString()">timeString</a> timeString returns the current time and date in a convenient string format.</li></ul>This function is called by:<ul style="list-style-image:url(../matlabicon.gif)"><li><a href="makeFeaturePyramids.html" class="code" title="function pyrs = makeFeaturePyramids(img,featureType,salParams,varargin)">makeFeaturePyramids</a> makeFeaturePyramids - creates a pyramid for featureType.</li></ul><!-- crossreference --><h2><a name="_source"></a>SOURCE CODE <a href="#_top"><img alt="^" border="0" src="../up.png"></a></h2><div class="fragment"><pre>0001 <span class="comment">% makeOrientationPyramid - creates an orientation pyramid.</span>0002 <span class="comment">%</span>0003 <span class="comment">% oriPyr = makeOrientationPyramid(intPyr,gaborParams,angle)</span>0004 <span class="comment">% Creates an orientation pyramid from a given intensity</span>0005 <span class="comment">% pyramid with Gabor filters defined in gaborParams and</span>0006 <span class="comment">% at the orientation given by angle (in degrees, 0 is horizontal).</span>0007 <span class="comment">%</span>0008 <span class="comment">% See also gaborFilterMap, makeFeaturePyramids, makeIntensityPyramid,</span>0009 <span class="comment">% dataStructures.</span>0010 0011 <span class="comment">% This file is part of the SaliencyToolbox - Copyright (C) 2006-2007</span>0012 <span class="comment">% by Dirk B. Walther and the California Institute of Technology.</span>0013 <span class="comment">% See the enclosed LICENSE.TXT document for the license agreement.</span>0014 <span class="comment">% More information about this project is available at:</span>0015 <span class="comment">% http://www.saliencytoolbox.net</span>0016 0017 <a name="_sub0" href="#_subfunctions" class="code">function oriPyr = makeOrientationPyramid(intPyr,gaborParams,angle)</a>0018 0019 oriPyr.origImage = intPyr.origImage;0020 oriPyr.label = sprintf(<span class="string">'Gabor%3.1f'</span>,angle);0021 oriPyr.type = intPyr.type;0022 0023 <span class="keyword">for</span> l=1:length(intPyr.levels)0024 oriPyr.levels(l) = <a href="gaborFilterMap.html" class="code" title="function resultMap = gaborFilterMap(map,gaborParams,angle)">gaborFilterMap</a>(intPyr.levels(l),gaborParams,angle);0025 oriPyr.levels(l).label = sprintf(<span class="string">'%s-%d'</span>,oriPyr.levels(l).label,l);0026 <span class="keyword">end</span>0027 0028 oriPyr.date = <a href="timeString.html" class="code" title="function s = timeString()">timeString</a>;</pre></div><hr><address>Generated on Fri 07-Sep-2007 14:42:18 by <strong><a href="http://www.artefact.tk/software/matlab/m2html/">m2html</a></strong> © 2003</address></body></html>⌨️ 快捷键说明
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