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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 displayImage</title> <meta name="keywords" content="displayImage"> <meta name="description" content="displayImage - displays an image in a convenient way in the current axes."> <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> > displayImage.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>displayImage</h1><h2><a name="_name"></a>PURPOSE <a href="#_top"><img alt="^" border="0" src="../up.png"></a></h2><div class="box"><strong>displayImage - displays an image in a convenient way in the current axes.</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 displayImage(img,doNormalize) </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"> displayImage - displays an image in a convenient way in the current axes. displayImage(img) - displays image in a new window img can be of any numerical type or a logical, and it must have two (gray-scale) or three (RGB) dimensions. img can be an Image structure (see initializeImage). The image is scaled appropriately. displayImage(img,doNormalize) If doNormalize is 1, the image is maximum-normalized (default: 0). See also <a href="displayMap.html" class="code" title="function displayMap(map,varargin)">displayMap</a>, <a href="displayMaps.html" class="code" title="function displayMaps(maps,varargin)">displayMaps</a>, <a href="showImage.html" class="code" title="function h = showImage(img,varargin)">showImage</a>, <a href="initializeImage.html" class="code" title="function [Img,err] = initializeImage(varargin);">initializeImage</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="displayImage.html" class="code" title="function displayImage(img,doNormalize)">displayImage</a> displayImage - displays an image in a convenient way in the current axes.</li><li><a href="loadImage.html" class="code" title="function imgData = loadImage(Image)">loadImage</a> loadImage - returns the imgData for the Image structure</li></ul>This function is called by:<ul style="list-style-image:url(../matlabicon.gif)"><li><a href="displayImage.html" class="code" title="function displayImage(img,doNormalize)">displayImage</a> displayImage - displays an image in a convenient way in the current axes.</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="plotSalientLocation.html" class="code" title="function plotSalientLocation(winner,lastWinner,img,params,varargin)">plotSalientLocation</a> plotSalientLocation - plots the attended location into an existing figure.</li><li><a href="showImage.html" class="code" title="function h = showImage(img,varargin)">showImage</a> showImage - displays an image in a convenient way.</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">% displayImage - displays an image in a convenient way in the current axes.</span>0002 <span class="comment">%</span>0003 <span class="comment">% displayImage(img) - displays image in a new window</span>0004 <span class="comment">% img can be of any numerical type or a logical, and it</span>0005 <span class="comment">% must have two (gray-scale) or three (RGB) dimensions.</span>0006 <span class="comment">% img can be an Image structure (see initializeImage).</span>0007 <span class="comment">% The image is scaled appropriately.</span>0008 <span class="comment">%</span>0009 <span class="comment">% displayImage(img,doNormalize)</span>0010 <span class="comment">% If doNormalize is 1, the image is maximum-normalized</span>0011 <span class="comment">% (default: 0).</span>0012 <span class="comment">%</span>0013 <span class="comment">% See also displayMap, displayMaps, showImage, initializeImage, dataStructures.</span>0014 0015 <span class="comment">% This file is part of the SaliencyToolbox - Copyright (C) 2006-2007</span>0016 <span class="comment">% by Dirk B. Walther and the California Institute of Technology.</span>0017 <span class="comment">% See the enclosed LICENSE.TXT document for the license agreement.</span>0018 <span class="comment">% More information about this project is available at:</span>0019 <span class="comment">% http://www.saliencytoolbox.net</span>0020 0021 <a name="_sub0" href="#_subfunctions" class="code">function displayImage(img,doNormalize)</a>0022 0023 <span class="keyword">if</span> (nargin < 2)0024 doNormalize = 0;0025 <span class="keyword">end</span>0026 0027 <span class="keyword">if</span> (isa(img,<span class="string">'struct'</span>))0028 <a href="displayImage.html" class="code" title="function displayImage(img,doNormalize)">displayImage</a>(<a href="loadImage.html" class="code" title="function imgData = loadImage(Image)">loadImage</a>(img),doNormalize);0029 <span class="keyword">return</span>;0030 <span class="keyword">end</span>0031 0032 <span class="keyword">if</span> (isa(img,<span class="string">'logical'</span>))0033 img = double(img);0034 <span class="keyword">end</span>0035 0036 <span class="keyword">if</span> (~isa(img,<span class="string">'double'</span>))0037 img = im2double(img);0038 <span class="keyword">end</span>0039 0040 img = squeeze(img);0041 num_dims = length(size(img));0042 0043 <span class="keyword">if</span> ((num_dims ~= 2) & (num_dims ~= 3))0044 disp([mfilename <span class="string">' error - unknown image format: '</span> class(img)]);0045 <span class="keyword">return</span>;0046 <span class="keyword">end</span>0047 0048 mx = max(img(:));0049 mn = min(img(:));0050 0051 <span class="keyword">if</span> (doNormalize & (mx > mn))0052 img = mat2gray(img);0053 <span class="comment">%img = (img - mn) / (mx - mn);</span>0054 <span class="keyword">end</span>0055 0056 <span class="keyword">if</span> (num_dims == 2)0057 <span class="comment">% gray scale image -> RGB</span>0058 img = reshape(img,size(img,1),size(img,2),1);0059 img(:,:,2) = img(:,:,1);0060 img(:,:,3) = img(:,:,1);0061 <span class="keyword">end</span>0062 0063 mx = max(max(max(img))); mn = min(min(min(img)));0064 <span class="keyword">if</span> ((mx > 1.0) | (mn < 0.0))0065 disp(<span class="string">'showImage.m: image out of range 0.0 ... 1.0'</span>);0066 fprintf(<span class="string">'(max: %g; min: %g)\n'</span>,mx,mn);0067 disp (<span class="string">'cutting off ...'</span>);0068 img(find(img > 1.0)) = 1.0;0069 img(find(img < 0.0)) = 0.0;0070 <span class="keyword">end</span>0071 0072 <span class="comment">% display the RGB image</span>0073 image(img);0074 axis image;</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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