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2dCompImage_8cpp_source.html
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<div class="title">2dCompImage.cpp</div> </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno"> 1</span>  </div>
<div class="line"><a name="l00031"></a><span class="lineno"> 31</span> <span class="preprocessor">#include "DGtal/base/Common.h"</span></div>
<div class="line"><a name="l00032"></a><span class="lineno"> 32</span> <span class="preprocessor">#include "DGtal/helpers/StdDefs.h"</span></div>
<div class="line"><a name="l00033"></a><span class="lineno"> 33</span> <span class="preprocessor">#include <DGtal/io/readers/GenericReader.h></span></div>
<div class="line"><a name="l00034"></a><span class="lineno"> 34</span> <span class="preprocessor">#include <DGtal/io/writers/GenericWriter.h></span></div>
<div class="line"><a name="l00035"></a><span class="lineno"> 35</span>  </div>
<div class="line"><a name="l00036"></a><span class="lineno"> 36</span>  </div>
<div class="line"><a name="l00037"></a><span class="lineno"> 37</span> <span class="preprocessor">#include <DGtal/images/Image.h></span></div>
<div class="line"><a name="l00038"></a><span class="lineno"> 38</span> <span class="preprocessor">#include <DGtal/images/ImageContainerBySTLVector.h></span></div>
<div class="line"><a name="l00039"></a><span class="lineno"> 39</span> <span class="preprocessor">#include <DGtal/images/imagesSetsUtils/SetFromImage.h></span></div>
<div class="line"><a name="l00040"></a><span class="lineno"> 40</span> <span class="preprocessor">#include <DGtal/io/writers/PPMWriter.h></span></div>
<div class="line"><a name="l00041"></a><span class="lineno"> 41</span> <span class="preprocessor">#include <DGtal/math/Statistic.h></span></div>
<div class="line"><a name="l00042"></a><span class="lineno"> 42</span> <span class="preprocessor">#include "DGtal/io/colormaps/GradientColorMap.h"</span></div>
<div class="line"><a name="l00043"></a><span class="lineno"> 43</span> <span class="preprocessor">#include <DGtal/math/Statistic.h></span></div>
<div class="line"><a name="l00044"></a><span class="lineno"> 44</span>  </div>
<div class="line"><a name="l00045"></a><span class="lineno"> 45</span> <span class="preprocessor">#include "CLI11.hpp"</span></div>
<div class="line"><a name="l00046"></a><span class="lineno"> 46</span>  </div>
<div class="line"><a name="l00047"></a><span class="lineno"> 47</span>  </div>
<div class="line"><a name="l00049"></a><span class="lineno"> 49</span> <span class="keyword">using namespace </span>std;</div>
<div class="line"><a name="l00050"></a><span class="lineno"> 50</span> <span class="keyword">using namespace </span><a class="code" href="namespaceDGtal.html">DGtal</a>;</div>
<div class="line"><a name="l00052"></a><span class="lineno"> 52</span>  </div>
<div class="line"><a name="l00053"></a><span class="lineno"> 53</span> <span class="keyword">typedef</span> <a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/classDGtal_1_1ImageContainerBySTLVector.html">ImageContainerBySTLVector < Z2i::Domain, unsigned char ></a> <a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/classDGtal_1_1ImageContainerBySTLVector.html">Image2D</a>;</div>
<div class="line"><a name="l00054"></a><span class="lineno"> 54</span> <span class="keyword">typedef</span> <a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/classDGtal_1_1ImageContainerBySTLVector.html">ImageContainerBySTLVector < Z2i::Domain, unsigned int ></a> <a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/classDGtal_1_1ImageContainerBySTLVector.html">Image2DErr</a>;</div>
<div class="line"><a name="l00055"></a><span class="lineno"> 55</span> <span class="keyword">typedef</span> <a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/classDGtal_1_1GradientColorMap.html">GradientColorMap<unsigned int, CMAP_JET, 1 ></a> <a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/classDGtal_1_1GradientColorMap.html">JetMap</a>;</div>
<div class="line"><a name="l00056"></a><span class="lineno"> 56</span>  </div>
<div class="line"><a name="l00057"></a><span class="lineno"> 57</span>  </div>
<div class="line"><a name="l00058"></a><span class="lineno"> 58</span>  </div>
<div class="line"><a name="l00106"></a><span class="lineno"> 106</span> <a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/classDGtal_1_1Statistic.html">Statistic< int></a></div>
<div class="line"><a name="l00107"></a><span class="lineno"> 107</span> getMAEstats(<span class="keyword">const</span> <a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/classDGtal_1_1ImageContainerBySTLVector.html">Image2D</a> & imageA, <span class="keyword">const</span> <a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/classDGtal_1_1ImageContainerBySTLVector.html">Image2D</a> &imageB, <a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/classDGtal_1_1ImageContainerBySTLVector.html">Image2DErr</a> &imageMAE)</div>
<div class="line"><a name="l00108"></a><span class="lineno"> 108</span> {</div>
<div class="line"><a name="l00109"></a><span class="lineno"> 109</span>  <a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/classDGtal_1_1Statistic.html">Statistic< int></a> stat(<span class="keyword">false</span>);</div>
<div class="line"><a name="l00110"></a><span class="lineno"> 110</span>  <span class="keywordflow">for</span>(<span class="keyword">auto</span> <span class="keyword">const</span> &point: imageA.<a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/classDGtal_1_1ImageContainerBySTLVector.html#a0169236b951921faab6b4827d77eec84">domain</a>())</div>
<div class="line"><a name="l00111"></a><span class="lineno"> 111</span>  {</div>
<div class="line"><a name="l00112"></a><span class="lineno"> 112</span>  <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span> <a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/namespaceLibBoard.html#a7230298bf18922cfa1097dba489d87de">error</a> = <a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/namespaceDGtal_1_1functions.html#af95dcf36f806f7fc15626ca6b1c27d22">abs</a>((imageA(point)-imageB(point)));</div>
<div class="line"><a name="l00113"></a><span class="lineno"> 113</span>  stat.addValue(error);</div>
<div class="line"><a name="l00114"></a><span class="lineno"> 114</span>  imageMAE.<a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/classDGtal_1_1ImageContainerBySTLVector.html#a2d2319747496a8b74d6dd5aa8d196247">setValue</a>(point, error); </div>
<div class="line"><a name="l00115"></a><span class="lineno"> 115</span>  }</div>
<div class="line"><a name="l00116"></a><span class="lineno"> 116</span>  stat.terminate();</div>
<div class="line"><a name="l00117"></a><span class="lineno"> 117</span>  <span class="keywordflow">return</span> stat;</div>
<div class="line"><a name="l00118"></a><span class="lineno"> 118</span> }</div>
<div class="line"><a name="l00119"></a><span class="lineno"> 119</span>  </div>
<div class="line"><a name="l00120"></a><span class="lineno"> 120</span>  </div>
<div class="line"><a name="l00124"></a><span class="lineno"> 124</span> <a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/classDGtal_1_1Statistic.html">Statistic< int></a></div>
<div class="line"><a name="l00125"></a><span class="lineno"> 125</span> getMSEstats(<span class="keyword">const</span> <a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/classDGtal_1_1ImageContainerBySTLVector.html">Image2D</a> & imageA, <span class="keyword">const</span> <a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/classDGtal_1_1ImageContainerBySTLVector.html">Image2D</a> &imageB, <a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/classDGtal_1_1ImageContainerBySTLVector.html">Image2DErr</a> &imageMSE)</div>
<div class="line"><a name="l00126"></a><span class="lineno"> 126</span> {</div>
<div class="line"><a name="l00127"></a><span class="lineno"> 127</span>  <a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/classDGtal_1_1Statistic.html">Statistic< int></a> stat(<span class="keyword">false</span>);</div>
<div class="line"><a name="l00128"></a><span class="lineno"> 128</span>  <span class="keywordflow">for</span>(<a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/classDGtal_1_1ImageContainerBySTLVector.html#a7c3bf02944fcaa9efa550e266663e773">Image2D::Domain::ConstIterator</a> it = imageA.<a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/classDGtal_1_1ImageContainerBySTLVector.html#a0169236b951921faab6b4827d77eec84">domain</a>().begin();</div>
<div class="line"><a name="l00129"></a><span class="lineno"> 129</span>  it!=imageA.<a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/classDGtal_1_1ImageContainerBySTLVector.html#a0169236b951921faab6b4827d77eec84">domain</a>().end(); it++)</div>
<div class="line"><a name="l00130"></a><span class="lineno"> 130</span>  {</div>
<div class="line"><a name="l00131"></a><span class="lineno"> 131</span>  <span class="keywordtype">int</span> <a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/namespaceLibBoard.html#a7230298bf18922cfa1097dba489d87de">error</a> = (imageA(*it)-imageB(*it))*(imageA(*it)-imageB(*it));</div>
<div class="line"><a name="l00132"></a><span class="lineno"> 132</span>  stat.addValue(error);</div>
<div class="line"><a name="l00133"></a><span class="lineno"> 133</span>  imageMSE.<a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/classDGtal_1_1ImageContainerBySTLVector.html#a2d2319747496a8b74d6dd5aa8d196247">setValue</a>(*it, error); </div>
<div class="line"><a name="l00134"></a><span class="lineno"> 134</span>  }</div>
<div class="line"><a name="l00135"></a><span class="lineno"> 135</span>  stat.terminate();</div>
<div class="line"><a name="l00136"></a><span class="lineno"> 136</span>  <span class="keywordflow">return</span> stat;</div>
<div class="line"><a name="l00137"></a><span class="lineno"> 137</span> }</div>
<div class="line"><a name="l00138"></a><span class="lineno"> 138</span>  </div>
<div class="line"><a name="l00139"></a><span class="lineno"> 139</span>  </div>
<div class="line"><a name="l00140"></a><span class="lineno"> 140</span>  </div>
<div class="line"><a name="l00144"></a><span class="lineno"> 144</span> <span class="keyword">template</span><<span class="keyword">typename</span> StatisticT></div>
<div class="line"><a name="l00145"></a><span class="lineno"> 145</span> <span class="keywordtype">void</span></div>
<div class="line"><a name="l00146"></a><span class="lineno"> 146</span> displayStats(<span class="keyword">const</span> StatisticT &aStat, <span class="keyword">const</span> <span class="keywordtype">string</span> &type)</div>
<div class="line"><a name="l00147"></a><span class="lineno"> 147</span> {</div>
<div class="line"><a name="l00148"></a><span class="lineno"> 148</span>  std::cout << <span class="stringliteral">"# Stats on "</span> << type << <span class="stringliteral">": mean max min unbiased_variance nb_samples "</span> << std::endl; </div>
<div class="line"><a name="l00149"></a><span class="lineno"> 149</span>  std::cout << aStat.mean() << <span class="stringliteral">" "</span> << aStat.max() << <span class="stringliteral">" "</span> << aStat.min() << <span class="stringliteral">" "</span></div>
<div class="line"><a name="l00150"></a><span class="lineno"> 150</span>  << <span class="stringliteral">" "</span> << aStat.unbiasedVariance() << <span class="stringliteral">" "</span> << aStat.samples() << std::endl; </div>
<div class="line"><a name="l00151"></a><span class="lineno"> 151</span> }</div>
<div class="line"><a name="l00152"></a><span class="lineno"> 152</span>  </div>
<div class="line"><a name="l00153"></a><span class="lineno"> 153</span>  </div>
<div class="line"><a name="l00154"></a><span class="lineno"> 154</span> <span class="keywordtype">int</span> <a class="code" href="3dHeightMapViewer_8cpp.html#a3c04138a5bfe5d72780bb7e82a18e627">main</a>( <span class="keywordtype">int</span> argc, <span class="keywordtype">char</span>** argv )</div>
<div class="line"><a name="l00155"></a><span class="lineno"> 155</span> {</div>
<div class="line"><a name="l00156"></a><span class="lineno"> 156</span>  </div>
<div class="line"><a name="l00157"></a><span class="lineno"> 157</span>  <span class="comment">// parse command line using CLI ----------------------------------------------</span></div>
<div class="line"><a name="l00158"></a><span class="lineno"> 158</span>  CLI::App app;</div>
<div class="line"><a name="l00159"></a><span class="lineno"> 159</span>  std::string inputFileNameA;</div>
<div class="line"><a name="l00160"></a><span class="lineno"> 160</span>  std::string inputFileNameB;</div>
<div class="line"><a name="l00161"></a><span class="lineno"> 161</span>  std::string basenameOutput;</div>
<div class="line"><a name="l00162"></a><span class="lineno"> 162</span>  <span class="keywordtype">int</span> maxValueMAE;</div>
<div class="line"><a name="l00163"></a><span class="lineno"> 163</span>  <span class="keywordtype">int</span> maxValueMSE;</div>
<div class="line"><a name="l00164"></a><span class="lineno"> 164</span>  </div>
<div class="line"><a name="l00165"></a><span class="lineno"> 165</span>  app.description(<span class="stringliteral">"Compare images and displays differences (squared and absolute differences).\n Typical use example:\n \t 2dCompImage imageA.pgm imageB.pgm -e errorImage -S 100 \n"</span>);</div>
<div class="line"><a name="l00166"></a><span class="lineno"> 166</span>  app.add_option(<span class="stringliteral">"-a,--imageA,1"</span>, inputFileNameA, <span class="stringliteral">"Input filename of image A."</span> )</div>
<div class="line"><a name="l00167"></a><span class="lineno"> 167</span>  ->required()</div>
<div class="line"><a name="l00168"></a><span class="lineno"> 168</span>  ->check(CLI::ExistingFile);</div>
<div class="line"><a name="l00169"></a><span class="lineno"> 169</span>  app.add_option(<span class="stringliteral">"-b,--imageB,2"</span>, inputFileNameA, <span class="stringliteral">"Input filename of image B."</span> )</div>
<div class="line"><a name="l00170"></a><span class="lineno"> 170</span>  ->required()</div>
<div class="line"><a name="l00171"></a><span class="lineno"> 171</span>  ->check(CLI::ExistingFile);</div>
<div class="line"><a name="l00172"></a><span class="lineno"> 172</span>  </div>
<div class="line"><a name="l00173"></a><span class="lineno"> 173</span>  </div>
<div class="line"><a name="l00174"></a><span class="lineno"> 174</span>  app.add_option(<span class="stringliteral">"--imageError,-e"</span>,basenameOutput, <span class="stringliteral">"Output error image basename (will generate two images <basename>MSE.ppm and <basename>MAE.ppm)."</span>);</div>
<div class="line"><a name="l00175"></a><span class="lineno"> 175</span>  </div>
<div class="line"><a name="l00176"></a><span class="lineno"> 176</span>  <span class="keyword">auto</span> setMaxMSEOpt = app.add_option(<span class="stringliteral">"--setMaxColorValueMSE,-S"</span>,maxValueMSE, <span class="stringliteral">"Set the maximal color value for the scale display of MSE (else the scale is set the maximal MSE value)."</span>);</div>
<div class="line"><a name="l00177"></a><span class="lineno"> 177</span>  <span class="keyword">auto</span> setMaxMAEOpt = app.add_option(<span class="stringliteral">"--setMaxColorValueMAE,-A"</span>,maxValueMAE, <span class="stringliteral">"Set the maximal color value for the scale display of MAE (else the scale is set from the maximal MAE value)."</span>);</div>
<div class="line"><a name="l00178"></a><span class="lineno"> 178</span>  </div>
<div class="line"><a name="l00179"></a><span class="lineno"> 179</span>  </div>
<div class="line"><a name="l00180"></a><span class="lineno"> 180</span>  app.get_formatter()->column_width(40);</div>
<div class="line"><a name="l00181"></a><span class="lineno"> 181</span>  CLI11_PARSE(app, argc, argv);</div>
<div class="line"><a name="l00182"></a><span class="lineno"> 182</span>  <span class="comment">// END parse command line using CLI ----------------------------------------------</span></div>
<div class="line"><a name="l00183"></a><span class="lineno"> 183</span>  </div>
<div class="line"><a name="l00184"></a><span class="lineno"> 184</span>  </div>
<div class="line"><a name="l00185"></a><span class="lineno"> 185</span>  <span class="comment">// Input images ----------------------------------------------------</span></div>
<div class="line"><a name="l00186"></a><span class="lineno"> 186</span>  <a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/classDGtal_1_1ImageContainerBySTLVector.html">Image2D</a> imageA = <a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/structDGtal_1_1GenericReader.html">GenericReader<Image2D>::import</a>(inputFileNameA);</div>
<div class="line"><a name="l00187"></a><span class="lineno"> 187</span>  <a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/classDGtal_1_1ImageContainerBySTLVector.html">Image2D</a> imageB = <a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/structDGtal_1_1GenericReader.html">GenericReader<Image2D>::import</a>(inputFileNameB);</div>
<div class="line"><a name="l00188"></a><span class="lineno"> 188</span>  </div>
<div class="line"><a name="l00189"></a><span class="lineno"> 189</span>  <a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/classDGtal_1_1ImageContainerBySTLVector.html">Image2DErr</a> imageErr (imageA.<a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/classDGtal_1_1ImageContainerBySTLVector.html#a0169236b951921faab6b4827d77eec84">domain</a>()); </div>
<div class="line"><a name="l00190"></a><span class="lineno"> 190</span>  </div>
<div class="line"><a name="l00191"></a><span class="lineno"> 191</span>  </div>
<div class="line"><a name="l00192"></a><span class="lineno"> 192</span>  <span class="comment">// Absolute Error between imageA and imageB -------------------------</span></div>
<div class="line"><a name="l00193"></a><span class="lineno"> 193</span>  <a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/classDGtal_1_1Statistic.html">Statistic<int></a> statMA = getMAEstats(imageA, imageB, imageErr); </div>
<div class="line"><a name="l00194"></a><span class="lineno"> 194</span>  <span class="keywordtype">int</span> maxVal = statMA.<a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/classDGtal_1_1Statistic.html#a80de1174bd6fc9e24e6045803b571d3e">max</a>();</div>
<div class="line"><a name="l00195"></a><span class="lineno"> 195</span>  <span class="keywordflow">if</span>(setMaxMAEOpt->count() > 0)</div>
<div class="line"><a name="l00196"></a><span class="lineno"> 196</span>  {</div>
<div class="line"><a name="l00197"></a><span class="lineno"> 197</span>  maxVal = maxValueMAE;</div>
<div class="line"><a name="l00198"></a><span class="lineno"> 198</span>  }</div>
<div class="line"><a name="l00199"></a><span class="lineno"> 199</span>  <a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/classDGtal_1_1GradientColorMap.html">JetMap</a> jmapMA(0, maxVal);</div>
<div class="line"><a name="l00200"></a><span class="lineno"> 200</span>  displayStats(statMA, <span class="stringliteral">"Absolute errror"</span>);</div>
<div class="line"><a name="l00201"></a><span class="lineno"> 201</span>  stringstream maeName; maeName << basenameOutput;</div>
<div class="line"><a name="l00202"></a><span class="lineno"> 202</span>  maeName << <span class="stringliteral">"MAE.ppm"</span>;</div>
<div class="line"><a name="l00203"></a><span class="lineno"> 203</span>  <a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/structDGtal_1_1PPMWriter.html">PPMWriter<Image2DErr, JetMap>::exportPPM</a>(maeName.str(), imageErr, jmapMA);</div>
<div class="line"><a name="l00204"></a><span class="lineno"> 204</span>  </div>
<div class="line"><a name="l00205"></a><span class="lineno"> 205</span>  <span class="comment">// Squared Error between imageA and imageB -------------------------</span></div>
<div class="line"><a name="l00206"></a><span class="lineno"> 206</span>  <a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/classDGtal_1_1Statistic.html">Statistic<int></a> statSE = getMSEstats(imageA, imageB, imageErr); </div>
<div class="line"><a name="l00207"></a><span class="lineno"> 207</span>  maxVal = statMA.<a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/classDGtal_1_1Statistic.html#a80de1174bd6fc9e24e6045803b571d3e">max</a>();</div>
<div class="line"><a name="l00208"></a><span class="lineno"> 208</span>  <span class="keywordflow">if</span>(setMaxMSEOpt->count()>0)</div>
<div class="line"><a name="l00209"></a><span class="lineno"> 209</span>  {</div>
<div class="line"><a name="l00210"></a><span class="lineno"> 210</span>  maxVal = maxValueMSE;</div>
<div class="line"><a name="l00211"></a><span class="lineno"> 211</span>  } </div>
<div class="line"><a name="l00212"></a><span class="lineno"> 212</span>  <a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/classDGtal_1_1GradientColorMap.html">JetMap</a> jmapSE(0, maxVal);</div>
<div class="line"><a name="l00213"></a><span class="lineno"> 213</span>  displayStats(statSE, <span class="stringliteral">"Squared error"</span>);</div>
<div class="line"><a name="l00214"></a><span class="lineno"> 214</span>  stringstream mseName; mseName << basenameOutput;</div>
<div class="line"><a name="l00215"></a><span class="lineno"> 215</span>  mseName << <span class="stringliteral">"MSE.ppm"</span>;</div>
<div class="line"><a name="l00216"></a><span class="lineno"> 216</span>  <a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/structDGtal_1_1PPMWriter.html">PPMWriter<Image2DErr, JetMap>::exportPPM</a>(mseName.str(), imageErr, jmapSE);</div>
<div class="line"><a name="l00217"></a><span class="lineno"> 217</span>  </div>
<div class="line"><a name="l00218"></a><span class="lineno"> 218</span>  <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l00219"></a><span class="lineno"> 219</span> }</div>
<div class="line"><a name="l00220"></a><span class="lineno"> 220</span>  </div>
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