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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 defaultSaliencyParams</title> <meta name="keywords" content="defaultSaliencyParams"> <meta name="description" content="defaultSaliencyParams - returns a default salParams structure."> <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> > defaultSaliencyParams.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>defaultSaliencyParams</h1><h2><a name="_name"></a>PURPOSE <a href="#_top"><img alt="^" border="0" src="../up.png"></a></h2><div class="box"><strong>defaultSaliencyParams - returns a default salParams structure.</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 params = defaultSaliencyParams(varargin) </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"> defaultSaliencyParams - returns a default salParams structure. params = defaultSaliencyParams Returns a default structure with saliency parameters. params = defaultSaliencyParams(pyramidType) Initializes parameters for a particular pyramidType: 'dyadic' - pyramids with downsampling by a factor of 2 (default) 'sqrt2' - pyramids with downsampling by a factor of sqrt(2) This makes a difference for the levels for the computation of the center-surround differences. params = defaultSaliencyParams(...,imgSize) Initializes params.foaSize to 1/6*min(w,h) (default: -1). This is only important for params.IORtype='disk'. See also <a href="runSaliency.html" class="code" title="function runSaliency(inputImage,varargin)">runSaliency</a>, <a href="makeSaliencyMap.html" class="code" title="function [salmap, saliencyData] = makeSaliencyMap(img, salParams, varargin)">makeSaliencyMap</a>, <a href="estimateShape.html" class="code" title="function shapeData = estimateShape(salmap,saliencyData,winner,params)">estimateShape</a>, <a href="applyIOR.html" class="code" title="function wta = applyIOR(oldWTA,winner,params,varargin)">applyIOR</a>, <a href="removeColorFeatures.html" class="code" title="function params = removeColorFeatures(params,fid)">removeColorFeatures</a>, <a href="winnerToImgCoords.html" class="code" title="function winImgCo = winnerToImgCoords(winner,params)">winnerToImgCoords</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="defaultGaborParams.html" class="code" title="function gaborParams = defaultGaborParams">defaultGaborParams</a> defaultGaborParams - returns a default gaborParams structure.</li><li><a href="defaultLevelParams.html" class="code" title="function levelParams = defaultLevelParams(pyramidType)">defaultLevelParams</a> defaultLevelParams - returns a default levelParams structure.</li><li><a href="fatal.html" class="code" title="function fatal(message)">fatal</a> fatal(message) - exits with a fatal error message.</li></ul>This function is called by:<ul style="list-style-image:url(../matlabicon.gif)"><li><a href="batchSaliency.html" class="code" title="function [salMaps,fixations] = batchSaliency(images,numFixations,params)">batchSaliency</a> batchSaliency - batch processing of lists of images.</li><li><a href="guiSaliency.html" class="code" title="function varargout = guiSaliency(varargin)">guiSaliency</a> guiSaliency - a graphical user interface (GUI) version of the saliency code.</li><li><a href="runSaliency.html" class="code" title="function runSaliency(inputImage,varargin)">runSaliency</a> runSaliency - compute and display saliency map and fixations.</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">% defaultSaliencyParams - returns a default salParams structure.</span>0002 <span class="comment">%</span>0003 <span class="comment">% params = defaultSaliencyParams</span>0004 <span class="comment">% Returns a default structure with saliency parameters.</span>0005 <span class="comment">%</span>0006 <span class="comment">% params = defaultSaliencyParams(pyramidType)</span>0007 <span class="comment">% Initializes parameters for a particular pyramidType:</span>0008 <span class="comment">% 'dyadic' - pyramids with downsampling by a factor of 2 (default)</span>0009 <span class="comment">% 'sqrt2' - pyramids with downsampling by a factor of sqrt(2)</span>0010 <span class="comment">% This makes a difference for the levels for the computation of the</span>0011 <span class="comment">% center-surround differences.</span>0012 <span class="comment">%</span>0013 <span class="comment">% params = defaultSaliencyParams(...,imgSize)</span>0014 <span class="comment">% Initializes params.foaSize to 1/6*min(w,h) (default: -1).</span>0015 <span class="comment">% This is only important for params.IORtype='disk'.</span>0016 <span class="comment">%</span>0017 <span class="comment">% See also runSaliency, makeSaliencyMap, estimateShape, applyIOR,</span>0018 <span class="comment">% removeColorFeatures, winnerToImgCoords, dataStructures.</span>0019 0020 <span class="comment">% This file is part of the SaliencyToolbox - Copyright (C) 2006-2007</span>0021 <span class="comment">% by Dirk B. Walther and the California Institute of Technology.</span>0022 <span class="comment">% See the enclosed LICENSE.TXT document for the license agreement.</span>0023 <span class="comment">% More information about this project is available at:</span>0024 <span class="comment">% http://www.saliencytoolbox.net</span>0025 0026 <a name="_sub0" href="#_subfunctions" class="code">function params = defaultSaliencyParams(varargin)</a>0027 0028 <span class="comment">% this is only important for IORtype='disk'.</span>0029 params.foaSize = -1;0030 0031 <span class="comment">% one of: 'dyadic','sqrt2'</span>0032 params.pyramidType = <span class="string">'dyadic'</span>;0033 0034 <span class="comment">% scan the arguments</span>0035 <span class="keyword">for</span> i = 1:length(varargin)0036 <span class="keyword">switch</span> class(varargin{i})0037 <span class="keyword">case</span> <span class="string">'double'</span>0038 params.foaSize = round(max(varargin{i}(1:2)) / 6);0039 <span class="keyword">case</span> <span class="string">'char'</span>0040 params.pyramidType = varargin{i};0041 <span class="keyword">otherwise</span>0042 <a href="fatal.html" class="code" title="function fatal(message)">fatal</a>([<span class="string">'Unknown data type for this function: '</span> class(varargin{i})]);0043 <span class="keyword">end</span>0044 <span class="keyword">end</span>0045 0046 <span class="comment">% a cell array with a combination of:</span>0047 <span class="comment">% 'Color','Intensities','Orientations','Hue','Skin','TopDown'</span>0048 params.features = {<span class="string">'Color'</span>,<span class="string">'Intensities'</span>,<span class="string">'Orientations'</span>};0049 0050 <span class="comment">% the weights in the same order as params.features</span>0051 params.weights = [1 1 1];0052 0053 <span class="comment">% one of: 'shape','disk','None'</span>0054 params.IORtype = <span class="string">'shape'</span>;0055 0056 <span class="comment">% one of: 'None','shapeSM','shapeCM','shapeFM','shapePyr'</span>0057 <span class="comment">%params.shapeMode = 'shapePyr';</span>0058 params.shapeMode = <span class="string">'shapeFM'</span>;0059 0060 <span class="comment">% the pyramid level parameters</span>0061 params.levelParams = <a href="defaultLevelParams.html" class="code" title="function levelParams = defaultLevelParams(pyramidType)">defaultLevelParams</a>(params.pyramidType);0062 0063 <span class="comment">% one of: 'None','LocalMax','Iterative'</span>0064 params.normtype = <span class="string">'Iterative'</span>;0065 0066 <span class="comment">% number of iterations for Iterative normalization</span>0067 params.numIter = 3;0068 0069 <span class="comment">% 1 for using random jitter in converting from saliency map</span>0070 <span class="comment">% coordinates to image coordinates,</span>0071 <span class="comment">% 0 for not using random jitter</span>0072 params.useRandom = 1;0073 0074 <span class="comment">% one of: 'Fast','LTU'</span>0075 params.segmentComputeType = <span class="string">'Fast'</span>;0076 0077 params.smOutputRange = 1e-9;0078 params.noiseAmpl = 1e-17;0079 params.noiseConst = 1e-14;0080 0081 <span class="comment">% parameters for the gabor filters for orientation maps</span>0082 params.gaborParams = <a href="defaultGaborParams.html" class="code" title="function gaborParams = defaultGaborParams">defaultGaborParams</a>;0083 0084 <span class="comment">% angles (in degrees) for orientation maps</span>0085 params.oriAngles = [0 45 90 135];0086 0087 <span class="comment">% visualizationMode: 'Contour', 'ContrastModulate', or 'None'</span>0088 params.visualizationStyle = <span class="string">'Contour'</span>;0089</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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