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<div class="title">atv-u2-v0.cpp</div>  </div>
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<div class="fragment"><div class="line"><a name="l00001"></a><span class="lineno">    1</span>&#160; </div>
<div class="line"><a name="l00032"></a><span class="lineno">   32</span>&#160;<span class="preprocessor">#include &lt;iostream&gt;</span></div>
<div class="line"><a name="l00033"></a><span class="lineno">   33</span>&#160; </div>
<div class="line"><a name="l00034"></a><span class="lineno">   34</span>&#160;<span class="preprocessor">#include &lt;sstream&gt;</span></div>
<div class="line"><a name="l00035"></a><span class="lineno">   35</span>&#160;<span class="preprocessor">#include &lt;string&gt;</span></div>
<div class="line"><a name="l00036"></a><span class="lineno">   36</span>&#160;<span class="preprocessor">#include &lt;functional&gt;</span></div>
<div class="line"><a name="l00037"></a><span class="lineno">   37</span>&#160;<span class="preprocessor">#include &lt;boost/format.hpp&gt;</span></div>
<div class="line"><a name="l00038"></a><span class="lineno">   38</span>&#160; </div>
<div class="line"><a name="l00039"></a><span class="lineno">   39</span>&#160;<span class="preprocessor">#include &quot;CLI11.hpp&quot;</span></div>
<div class="line"><a name="l00040"></a><span class="lineno">   40</span>&#160; </div>
<div class="line"><a name="l00041"></a><span class="lineno">   41</span>&#160;<span class="preprocessor">#include &quot;DGtal/base/Common.h&quot;</span></div>
<div class="line"><a name="l00042"></a><span class="lineno">   42</span>&#160;<span class="preprocessor">#include &quot;DGtal/helpers/StdDefs.h&quot;</span></div>
<div class="line"><a name="l00043"></a><span class="lineno">   43</span>&#160;<span class="preprocessor">#include &quot;DGtal/io/readers/GenericReader.h&quot;</span></div>
<div class="line"><a name="l00044"></a><span class="lineno">   44</span>&#160;<span class="preprocessor">#include &quot;DGtal/io/writers/GenericWriter.h&quot;</span></div>
<div class="line"><a name="l00045"></a><span class="lineno">   45</span>&#160; </div>
<div class="line"><a name="l00046"></a><span class="lineno">   46</span>&#160;<span class="preprocessor">#include &quot;ATVu2v0.h&quot;</span></div>
<div class="line"><a name="l00047"></a><span class="lineno">   47</span>&#160; </div>
<div class="line"><a name="l00209"></a><span class="lineno">  209</span>&#160;<span class="keyword">using namespace </span>std;</div>
<div class="line"><a name="l00210"></a><span class="lineno">  210</span>&#160;<span class="keyword">using namespace </span><a class="code" href="namespaceDGtal.html">DGtal</a>;</div>
<div class="line"><a name="l00211"></a><span class="lineno">  211</span>&#160; </div>
<div class="line"><a name="l00212"></a><span class="lineno">  212</span>&#160;<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="l00213"></a><span class="lineno">  213</span>&#160;{</div>
<div class="line"><a name="l00214"></a><span class="lineno">  214</span>&#160;  <span class="keyword">using namespace </span>Z2i;</div>
<div class="line"><a name="l00215"></a><span class="lineno">  215</span>&#160; </div>
<div class="line"><a name="l00216"></a><span class="lineno">  216</span>&#160;  <span class="comment">// parse command line ----------------------------------------------</span></div>
<div class="line"><a name="l00217"></a><span class="lineno">  217</span>&#160;  CLI::App app;</div>
<div class="line"><a name="l00218"></a><span class="lineno">  218</span>&#160;  <span class="keywordtype">string</span> f1;</div>
<div class="line"><a name="l00219"></a><span class="lineno">  219</span>&#160;  <span class="keywordtype">string</span> f2 {<span class="stringliteral">&quot;AT&quot;</span>};</div>
<div class="line"><a name="l00220"></a><span class="lineno">  220</span>&#160;  <span class="keywordtype">string</span> inpainting_mask;</div>
<div class="line"><a name="l00221"></a><span class="lineno">  221</span>&#160;  <span class="keywordtype">double</span> l;</div>
<div class="line"><a name="l00222"></a><span class="lineno">  222</span>&#160;  <span class="keywordtype">double</span> l1 {0.3125};</div>
<div class="line"><a name="l00223"></a><span class="lineno">  223</span>&#160;  <span class="keywordtype">double</span> l2 {0.0005};</div>
<div class="line"><a name="l00224"></a><span class="lineno">  224</span>&#160;  <span class="keywordtype">double</span> lr {sqrt(2)};</div>
<div class="line"><a name="l00225"></a><span class="lineno">  225</span>&#160;  <span class="keywordtype">double</span> a   {1.0};</div>
<div class="line"><a name="l00226"></a><span class="lineno">  226</span>&#160;  <span class="keywordtype">double</span> epsilon;</div>
<div class="line"><a name="l00227"></a><span class="lineno">  227</span>&#160;  </div>
<div class="line"><a name="l00228"></a><span class="lineno">  228</span>&#160;  <span class="keywordtype">double</span> e1  {2.0};</div>
<div class="line"><a name="l00229"></a><span class="lineno">  229</span>&#160;  <span class="keywordtype">double</span> e2 {0.25};</div>
<div class="line"><a name="l00230"></a><span class="lineno">  230</span>&#160;  <span class="keywordtype">double</span> er  {2.0};</div>
<div class="line"><a name="l00231"></a><span class="lineno">  231</span>&#160;  <span class="keywordtype">int</span>  verb  {0};</div>
<div class="line"><a name="l00232"></a><span class="lineno">  232</span>&#160;  <span class="keywordtype">int</span> nbiter = {10};</div>
<div class="line"><a name="l00233"></a><span class="lineno">  233</span>&#160;  <span class="keywordtype">int</span> pix_sz = {1};</div>
<div class="line"><a name="l00234"></a><span class="lineno">  234</span>&#160;  <span class="keywordtype">string</span> scv {<span class="stringliteral">&quot;0xff0000&quot;</span>};</div>
<div class="line"><a name="l00235"></a><span class="lineno">  235</span>&#160;  <span class="keywordtype">string</span> isnr;</div>
<div class="line"><a name="l00236"></a><span class="lineno">  236</span>&#160;  <span class="keywordtype">bool</span> metric;</div>
<div class="line"><a name="l00237"></a><span class="lineno">  237</span>&#160;  </div>
<div class="line"><a name="l00238"></a><span class="lineno">  238</span>&#160;  </div>
<div class="line"><a name="l00239"></a><span class="lineno">  239</span>&#160;  stringstream ssDescr;</div>
<div class="line"><a name="l00240"></a><span class="lineno">  240</span>&#160;  ssDescr &lt;&lt; <span class="stringliteral">&quot;Usage: &quot;</span> &lt;&lt; argv[0] &lt;&lt; <span class="stringliteral">&quot; -i toto.pgm\n&quot;</span></div>
<div class="line"><a name="l00241"></a><span class="lineno">  241</span>&#160;  &lt;&lt; <span class="stringliteral">&quot;Computes a variant of the Ambrosio-Tortorelli reconstruction/segmentation of an input image.&quot;</span></div>
<div class="line"><a name="l00242"></a><span class="lineno">  242</span>&#160;  &lt;&lt; <span class="stringliteral">&quot;It outputs 2 or 3 images (of basename given by option --output) giving the&quot;</span></div>
<div class="line"><a name="l00243"></a><span class="lineno">  243</span>&#160;  &lt;&lt; <span class="stringliteral">&quot; reconstructed image u, and other images superposing u and the discontinuities v.&quot;</span></div>
<div class="line"><a name="l00244"></a><span class="lineno">  244</span>&#160;  &lt;&lt; endl &lt;&lt; endl</div>
<div class="line"><a name="l00245"></a><span class="lineno">  245</span>&#160;  &lt;&lt; <span class="stringliteral">&quot; / &quot;</span></div>
<div class="line"><a name="l00246"></a><span class="lineno">  246</span>&#160;  &lt;&lt; endl</div>
<div class="line"><a name="l00247"></a><span class="lineno">  247</span>&#160;  &lt;&lt; <span class="stringliteral">&quot; | a.(u-g)^2 + v^2 |grad u|^2 + c.l.e^3.|Delta v|^2 + (c.l/e).(1-v)^2 &quot;</span></div>
<div class="line"><a name="l00248"></a><span class="lineno">  248</span>&#160;  &lt;&lt; endl</div>
<div class="line"><a name="l00249"></a><span class="lineno">  249</span>&#160;  &lt;&lt; <span class="stringliteral">&quot; / &quot;</span></div>
<div class="line"><a name="l00250"></a><span class="lineno">  250</span>&#160;  &lt;&lt; endl</div>
<div class="line"><a name="l00251"></a><span class="lineno">  251</span>&#160;  &lt;&lt; <span class="stringliteral">&quot;Discretized as (u 2-form, v 0-form, L=A^t A laplacian, B edge-face bdy, M vertex-edge average)&quot;</span> &lt;&lt; endl</div>
<div class="line"><a name="l00252"></a><span class="lineno">  252</span>&#160;  &lt;&lt; <span class="stringliteral">&quot;E(u,v) = a(u-g)^t (u-g) +  u^t B diag(M v)^2 B^t u + l e^3 v^t L^t L v + l/e (1-v)^t (1-v)&quot;</span> &lt;&lt; endl</div>
<div class="line"><a name="l00253"></a><span class="lineno">  253</span>&#160;  &lt;&lt; endl</div>
<div class="line"><a name="l00254"></a><span class="lineno">  254</span>&#160;&lt;&lt; <span class="stringliteral">&quot;where c=1/(2sqrt(2)) is a constant that reflects the fact that the Gamma-limit of discontinuity length estimation term is 2.sqrt(2).L, for a length L of discontinuities.&quot;</span></div>
<div class="line"><a name="l00255"></a><span class="lineno">  255</span>&#160;  &lt;&lt; <span class="stringliteral">&quot;Example: ./atv-u2-v0 -i ../Images/cerclesTriangle64b02.pgm -o tmp -a 0.05 -e 1 --lambda-1 0.1 --lambda-2 0.00001&quot;</span></div>
<div class="line"><a name="l00256"></a><span class="lineno">  256</span>&#160;  &lt;&lt; endl;</div>
<div class="line"><a name="l00257"></a><span class="lineno">  257</span>&#160;  </div>
<div class="line"><a name="l00258"></a><span class="lineno">  258</span>&#160;  </div>
<div class="line"><a name="l00259"></a><span class="lineno">  259</span>&#160;  app.description(ssDescr.str());</div>
<div class="line"><a name="l00260"></a><span class="lineno">  260</span>&#160; </div>
<div class="line"><a name="l00261"></a><span class="lineno">  261</span>&#160; </div>
<div class="line"><a name="l00262"></a><span class="lineno">  262</span>&#160;app.add_option(<span class="stringliteral">&quot;-i,--input,1&quot;</span>, f1, <span class="stringliteral">&quot;the input image PPM filename.&quot;</span> )</div>
<div class="line"><a name="l00263"></a><span class="lineno">  263</span>&#160;    -&gt;required()</div>
<div class="line"><a name="l00264"></a><span class="lineno">  264</span>&#160;    -&gt;check(CLI::ExistingFile);</div>
<div class="line"><a name="l00265"></a><span class="lineno">  265</span>&#160;app.add_option(<span class="stringliteral">&quot;--inpainting-mask,-m&quot;</span>, inpainting_mask, <span class="stringliteral">&quot;the input inpainting mask filename.&quot;</span> );</div>
<div class="line"><a name="l00266"></a><span class="lineno">  266</span>&#160;app.add_option(<span class="stringliteral">&quot;--output,-o&quot;</span>, f2, <span class="stringliteral">&quot;the output image basename.&quot;</span>, <span class="keyword">true</span>);</div>
<div class="line"><a name="l00267"></a><span class="lineno">  267</span>&#160;<span class="keyword">auto</span> lambdaOpt = app.add_option(<span class="stringliteral">&quot;--lambda,-l&quot;</span>,l, <span class="stringliteral">&quot;the parameter lambda.&quot;</span>);</div>
<div class="line"><a name="l00268"></a><span class="lineno">  268</span>&#160;app.add_flag(<span class="stringliteral">&quot;--metric-average,-M&quot;</span>,metric, <span class="stringliteral">&quot;use metric average to smooth L1-metric.&quot;</span> );</div>
<div class="line"><a name="l00269"></a><span class="lineno">  269</span>&#160; </div>
<div class="line"><a name="l00270"></a><span class="lineno">  270</span>&#160;app.add_option(<span class="stringliteral">&quot;--lambda-1,-1&quot;</span>,l1, <span class="stringliteral">&quot;the initial parameter lambda (l1).&quot;</span>, <span class="keyword">true</span>);</div>
<div class="line"><a name="l00271"></a><span class="lineno">  271</span>&#160;app.add_option(<span class="stringliteral">&quot;--lambda-2,-2&quot;</span>,l2, <span class="stringliteral">&quot;the final parameter lambda (l2).&quot;</span>, <span class="keyword">true</span> );</div>
<div class="line"><a name="l00272"></a><span class="lineno">  272</span>&#160;app.add_option(<span class="stringliteral">&quot;--lambda-ratio,-q&quot;</span>,lr,  <span class="stringliteral">&quot;the division ratio for lambda from l1 to l2.&quot;</span>, <span class="keyword">true</span>);</div>
<div class="line"><a name="l00273"></a><span class="lineno">  273</span>&#160;app.add_option(<span class="stringliteral">&quot;--alpha,-a&quot;</span>,a, <span class="stringliteral">&quot;the parameter alpha.&quot;</span>, <span class="keyword">true</span>);</div>
<div class="line"><a name="l00274"></a><span class="lineno">  274</span>&#160;<span class="keyword">auto</span> epsOpt = app.add_option(<span class="stringliteral">&quot;--epsilon,-e&quot;</span>, <span class="stringliteral">&quot;the initial and final parameter epsilon of AT functional at the same time.&quot;</span>);</div>
<div class="line"><a name="l00275"></a><span class="lineno">  275</span>&#160; </div>
<div class="line"><a name="l00276"></a><span class="lineno">  276</span>&#160;app.add_option(<span class="stringliteral">&quot;--epsilon-1&quot;</span>,e1, <span class="stringliteral">&quot;the initial parameter epsilon.&quot;</span>, <span class="keyword">true</span>);</div>
<div class="line"><a name="l00277"></a><span class="lineno">  277</span>&#160;app.add_option(<span class="stringliteral">&quot;--epsilon-2&quot;</span>,e2, <span class="stringliteral">&quot;the final parameter epsilon.&quot;</span>, <span class="keyword">true</span>);</div>
<div class="line"><a name="l00278"></a><span class="lineno">  278</span>&#160;app.add_option(<span class="stringliteral">&quot;--epsilon-r&quot;</span>,er,  <span class="stringliteral">&quot;sets the ratio between two consecutive epsilon values of AT functional.&quot;</span>, <span class="keyword">true</span>);</div>
<div class="line"><a name="l00279"></a><span class="lineno">  279</span>&#160; </div>
<div class="line"><a name="l00280"></a><span class="lineno">  280</span>&#160;app.add_option(<span class="stringliteral">&quot;--nbiter,-n&quot;</span>,nbiter, <span class="stringliteral">&quot;the maximum number of iterations.&quot;</span>, <span class="keyword">true</span> );</div>
<div class="line"><a name="l00281"></a><span class="lineno">  281</span>&#160;<span class="keyword">auto</span> snrOpt = app.add_option(<span class="stringliteral">&quot;--image-snr&quot;</span>, isnr, <span class="stringliteral">&quot;the input image without deterioration if you wish to compute the SNR.&quot;</span>);</div>
<div class="line"><a name="l00282"></a><span class="lineno">  282</span>&#160;app.add_option(<span class="stringliteral">&quot;--pixel-size,-p&quot;</span>, pix_sz, <span class="stringliteral">&quot;the pixel size for outputing images (useful when one wants to see the discontinuities v on top of u).&quot;</span>, <span class="keyword">true</span>);</div>
<div class="line"><a name="l00283"></a><span class="lineno">  283</span>&#160;app.add_option(<span class="stringliteral">&quot;--color-v,-c&quot;</span>,scv, <span class="stringliteral">&quot;the color chosen for displaying the singularities v (e.g. red is 0xff0000).&quot;</span>, <span class="keyword">true</span> );</div>
<div class="line"><a name="l00284"></a><span class="lineno">  284</span>&#160;app.add_option(<span class="stringliteral">&quot;--verbose,-v&quot;</span>, verb, <span class="stringliteral">&quot;the verbose level (0: silent, 1: less silent, etc).&quot;</span>, <span class="keyword">true</span> );</div>
<div class="line"><a name="l00285"></a><span class="lineno">  285</span>&#160; </div>
<div class="line"><a name="l00286"></a><span class="lineno">  286</span>&#160;app.get_formatter()-&gt;column_width(40);</div>
<div class="line"><a name="l00287"></a><span class="lineno">  287</span>&#160;CLI11_PARSE(app, argc, argv);</div>
<div class="line"><a name="l00288"></a><span class="lineno">  288</span>&#160;<span class="comment">// END parse comm&quot;metric-average,Mand line using CLI ----------------------------------------------</span></div>
<div class="line"><a name="l00289"></a><span class="lineno">  289</span>&#160; </div>
<div class="line"><a name="l00290"></a><span class="lineno">  290</span>&#160; </div>
<div class="line"><a name="l00291"></a><span class="lineno">  291</span>&#160;  <a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/classDGtal_1_1Color.html">Color</a> color_v( (<span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>) std::stoul( scv, <span class="keyword">nullptr</span>, 16 ), 255 );</div>
<div class="line"><a name="l00292"></a><span class="lineno">  292</span>&#160;  <span class="keywordflow">if</span> ( lambdaOpt-&gt;count()) l1 = l2 = l;</div>
<div class="line"><a name="l00293"></a><span class="lineno">  293</span>&#160;  <span class="keywordflow">if</span> ( l2 &gt; l1 ) l2 = l1;</div>
<div class="line"><a name="l00294"></a><span class="lineno">  294</span>&#160;  <span class="keywordflow">if</span> ( lr &lt;= 1.0 ) lr = sqrt(2);</div>
<div class="line"><a name="l00295"></a><span class="lineno">  295</span>&#160;  <span class="keywordflow">if</span> ( epsOpt-&gt;count() &gt; 0 ){</div>
<div class="line"><a name="l00296"></a><span class="lineno">  296</span>&#160;    e1 = e2 =  epsilon;</div>
<div class="line"><a name="l00297"></a><span class="lineno">  297</span>&#160; </div>
<div class="line"><a name="l00298"></a><span class="lineno">  298</span>&#160;  }</div>
<div class="line"><a name="l00299"></a><span class="lineno">  299</span>&#160;  <span class="keywordtype">bool</span> snr   = snrOpt-&gt;count() &gt; 0;</div>
<div class="line"><a name="l00300"></a><span class="lineno">  300</span>&#160; </div>
<div class="line"><a name="l00301"></a><span class="lineno">  301</span>&#160;  </div>
<div class="line"><a name="l00302"></a><span class="lineno">  302</span>&#160;  <span class="keywordtype">bool</span> color_image = f1.size() &gt; 4 &amp;&amp; f1.compare( f1.size() - 4, 4, <span class="stringliteral">&quot;.ppm&quot;</span> ) == 0;</div>
<div class="line"><a name="l00303"></a><span class="lineno">  303</span>&#160;  <span class="keywordtype">bool</span> grey_image  = f1.size() &gt; 4 &amp;&amp; f1.compare( f1.size() - 4, 4, <span class="stringliteral">&quot;.pgm&quot;</span> ) == 0;</div>
<div class="line"><a name="l00304"></a><span class="lineno">  304</span>&#160;  <span class="keywordflow">if</span> ( ! color_image &amp;&amp; ! grey_image )</div>
<div class="line"><a name="l00305"></a><span class="lineno">  305</span>&#160;    {</div>
<div class="line"><a name="l00306"></a><span class="lineno">  306</span>&#160;      <a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/namespaceDGtal.html#a604c07ec391ad12a1f3fb6479993f112">trace</a>.<a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/classDGtal_1_1Trace.html#a1e786a1f3b1047e92b73c82f67e3c295">error</a>() &lt;&lt; <span class="stringliteral">&quot;Input image file must be either a PGM (grey-level) or a PPM (color) image with these extensions.&quot;</span></div>
<div class="line"><a name="l00307"></a><span class="lineno">  307</span>&#160;                    &lt;&lt; endl;</div>
<div class="line"><a name="l00308"></a><span class="lineno">  308</span>&#160;      <span class="keywordflow">return</span> 2;</div>
<div class="line"><a name="l00309"></a><span class="lineno">  309</span>&#160;    }</div>
<div class="line"><a name="l00310"></a><span class="lineno">  310</span>&#160; </div>
<div class="line"><a name="l00311"></a><span class="lineno">  311</span>&#160; </div>
<div class="line"><a name="l00312"></a><span class="lineno">  312</span>&#160;  <a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/classDGtal_1_1KhalimskySpaceND.html">KSpace</a> K;</div>
<div class="line"><a name="l00313"></a><span class="lineno">  313</span>&#160;  <a class="code" href="structDGtal_1_1ATVu2v0.html">ATVu2v0&lt; KSpace &gt;</a> AT( verb );</div>
<div class="line"><a name="l00314"></a><span class="lineno">  314</span>&#160;  <a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/classDGtal_1_1IteratorCompletionTraits_3_01ArrayImageAdapter_3_01TArrayIterator_00_01TDomain_01_4_01_4_1_1DistanceFunctor.html#a79a0f67cc951326052b97eeea300e2c1">Domain</a> domain;</div>
<div class="line"><a name="l00315"></a><span class="lineno">  315</span>&#160;  AT.setMetricAverage( metric );</div>
<div class="line"><a name="l00316"></a><span class="lineno">  316</span>&#160;  </div>
<div class="line"><a name="l00317"></a><span class="lineno">  317</span>&#160;  <span class="keyword">typedef</span> <a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/classDGtal_1_1DiscreteExteriorCalculus.html">ATVu2v0&lt;KSpace&gt;::Calculus</a> <a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/classDGtal_1_1DiscreteExteriorCalculus.html">Calculus</a>;</div>
<div class="line"><a name="l00318"></a><span class="lineno">  318</span>&#160;  <span class="keyword">typedef</span> <a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/classDGtal_1_1ImageContainerBySTLVector.html">ImageContainerBySTLVector&lt;Domain, Color&gt;</a> ColorImage;</div>
<div class="line"><a name="l00319"></a><span class="lineno">  319</span>&#160;  <span class="keyword">typedef</span> <a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/classDGtal_1_1ImageContainerBySTLVector.html">ImageContainerBySTLVector&lt;Domain, unsigned char&gt;</a> GreyLevelImage;</div>
<div class="line"><a name="l00320"></a><span class="lineno">  320</span>&#160;  <span class="comment">//---------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00321"></a><span class="lineno">  321</span>&#160;  <span class="keywordflow">if</span> ( color_image ) </div>
<div class="line"><a name="l00322"></a><span class="lineno">  322</span>&#160;    {</div>
<div class="line"><a name="l00323"></a><span class="lineno">  323</span>&#160;      <a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/namespaceDGtal.html#a604c07ec391ad12a1f3fb6479993f112">trace</a>.<a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/classDGtal_1_1Trace.html#a352b7160bf722e2f0bcbee5d0bad6ef3">beginBlock</a>(<span class="stringliteral">&quot;Reading PPM image&quot;</span>);</div>
<div class="line"><a name="l00324"></a><span class="lineno">  324</span>&#160;      ColorImage image = <a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/structDGtal_1_1PPMReader.html">PPMReader&lt;ColorImage&gt;::importPPM</a>( f1 );</div>
<div class="line"><a name="l00325"></a><span class="lineno">  325</span>&#160;      <a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/namespaceDGtal.html#a604c07ec391ad12a1f3fb6479993f112">trace</a>.<a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/classDGtal_1_1Trace.html#afa3a2874289734884107b1ce68ccb93d">endBlock</a>();</div>
<div class="line"><a name="l00326"></a><span class="lineno">  326</span>&#160;      <a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/namespaceDGtal.html#a604c07ec391ad12a1f3fb6479993f112">trace</a>.<a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/classDGtal_1_1Trace.html#a352b7160bf722e2f0bcbee5d0bad6ef3">beginBlock</a>(<span class="stringliteral">&quot;Building AT&quot;</span>);</div>
<div class="line"><a name="l00327"></a><span class="lineno">  327</span>&#160;      domain = image.domain();</div>
<div class="line"><a name="l00328"></a><span class="lineno">  328</span>&#160;      K.<a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/classDGtal_1_1KhalimskySpaceND.html#a15dcbcaae831dd1c36090e6336c177d4">init</a>( domain.lowerBound(), domain.upperBound(), <span class="keyword">true</span> );</div>
<div class="line"><a name="l00329"></a><span class="lineno">  329</span>&#160;      AT.init( K );</div>
<div class="line"><a name="l00330"></a><span class="lineno">  330</span>&#160;      AT.addInput( image, [] ( <a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/classDGtal_1_1Color.html">Color</a> c ) -&gt; <span class="keywordtype">double</span> { <span class="keywordflow">return</span> ((<span class="keywordtype">double</span>) c.<a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/classDGtal_1_1Color.html#aa487b3d008dc44964b10971ce8a26432">red</a>())   / 255.0; } );</div>
<div class="line"><a name="l00331"></a><span class="lineno">  331</span>&#160;      AT.addInput( image, [] ( <a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/classDGtal_1_1Color.html">Color</a> c ) -&gt; <span class="keywordtype">double</span> { <span class="keywordflow">return</span> ((<span class="keywordtype">double</span>) c.<a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/classDGtal_1_1Color.html#a5917f9d174eb75eae2ce49e7f40edbb7">green</a>()) / 255.0; } );</div>
<div class="line"><a name="l00332"></a><span class="lineno">  332</span>&#160;      AT.addInput( image, [] ( <a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/classDGtal_1_1Color.html">Color</a> c ) -&gt; <span class="keywordtype">double</span> { <span class="keywordflow">return</span> ((<span class="keywordtype">double</span>) c.<a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/classDGtal_1_1Color.html#af51469f44cfc0603c66efe150b1b0c33">blue</a>())  / 255.0; } );</div>
<div class="line"><a name="l00333"></a><span class="lineno">  333</span>&#160;      <a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/namespaceDGtal.html#a604c07ec391ad12a1f3fb6479993f112">trace</a>.<a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/classDGtal_1_1Trace.html#afa3a2874289734884107b1ce68ccb93d">endBlock</a>();</div>
<div class="line"><a name="l00334"></a><span class="lineno">  334</span>&#160;    }</div>
<div class="line"><a name="l00335"></a><span class="lineno">  335</span>&#160;  <span class="keywordflow">else</span> <span class="keywordflow">if</span> ( grey_image ) </div>
<div class="line"><a name="l00336"></a><span class="lineno">  336</span>&#160;    {</div>
<div class="line"><a name="l00337"></a><span class="lineno">  337</span>&#160;      <a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/namespaceDGtal.html#a604c07ec391ad12a1f3fb6479993f112">trace</a>.<a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/classDGtal_1_1Trace.html#a352b7160bf722e2f0bcbee5d0bad6ef3">beginBlock</a>(<span class="stringliteral">&quot;Reading PGM image&quot;</span>);</div>
<div class="line"><a name="l00338"></a><span class="lineno">  338</span>&#160;      GreyLevelImage image = <a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/structDGtal_1_1PGMReader.html">PGMReader&lt;GreyLevelImage&gt;::importPGM</a>( f1 );</div>
<div class="line"><a name="l00339"></a><span class="lineno">  339</span>&#160;      <a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/namespaceDGtal.html#a604c07ec391ad12a1f3fb6479993f112">trace</a>.<a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/classDGtal_1_1Trace.html#afa3a2874289734884107b1ce68ccb93d">endBlock</a>();</div>
<div class="line"><a name="l00340"></a><span class="lineno">  340</span>&#160;      <a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/namespaceDGtal.html#a604c07ec391ad12a1f3fb6479993f112">trace</a>.<a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/classDGtal_1_1Trace.html#a352b7160bf722e2f0bcbee5d0bad6ef3">beginBlock</a>(<span class="stringliteral">&quot;Building AT&quot;</span>);</div>
<div class="line"><a name="l00341"></a><span class="lineno">  341</span>&#160;      domain = image.domain();</div>
<div class="line"><a name="l00342"></a><span class="lineno">  342</span>&#160;      K.<a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/classDGtal_1_1KhalimskySpaceND.html#a15dcbcaae831dd1c36090e6336c177d4">init</a>( domain.lowerBound(), domain.upperBound(), <span class="keyword">true</span> );</div>
<div class="line"><a name="l00343"></a><span class="lineno">  343</span>&#160;      AT.init( K );</div>
<div class="line"><a name="l00344"></a><span class="lineno">  344</span>&#160;      AT.addInput( image, [] (<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> c ) { <span class="keywordflow">return</span> ((<span class="keywordtype">double</span>) c) / 255.0; } );</div>
<div class="line"><a name="l00345"></a><span class="lineno">  345</span>&#160;      <a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/namespaceDGtal.html#a604c07ec391ad12a1f3fb6479993f112">trace</a>.<a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/classDGtal_1_1Trace.html#afa3a2874289734884107b1ce68ccb93d">endBlock</a>();</div>
<div class="line"><a name="l00346"></a><span class="lineno">  346</span>&#160;    }</div>
<div class="line"><a name="l00347"></a><span class="lineno">  347</span>&#160; </div>
<div class="line"><a name="l00348"></a><span class="lineno">  348</span>&#160;  <span class="comment">//---------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00349"></a><span class="lineno">  349</span>&#160;  <span class="keywordflow">if</span> ( snr &amp;&amp; color_image ) </div>
<div class="line"><a name="l00350"></a><span class="lineno">  350</span>&#160;    {</div>
<div class="line"><a name="l00351"></a><span class="lineno">  351</span>&#160;      <a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/namespaceDGtal.html#a604c07ec391ad12a1f3fb6479993f112">trace</a>.<a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/classDGtal_1_1Trace.html#a352b7160bf722e2f0bcbee5d0bad6ef3">beginBlock</a>(<span class="stringliteral">&quot;Reading ideal PPM image&quot;</span>);</div>
<div class="line"><a name="l00352"></a><span class="lineno">  352</span>&#160;      ColorImage image = <a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/structDGtal_1_1PPMReader.html">PPMReader&lt;ColorImage&gt;::importPPM</a>( isnr );</div>
<div class="line"><a name="l00353"></a><span class="lineno">  353</span>&#160;      <a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/namespaceDGtal.html#a604c07ec391ad12a1f3fb6479993f112">trace</a>.<a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/classDGtal_1_1Trace.html#afa3a2874289734884107b1ce68ccb93d">endBlock</a>();</div>
<div class="line"><a name="l00354"></a><span class="lineno">  354</span>&#160;      AT.addInput( image, [] ( <a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/classDGtal_1_1Color.html">Color</a> c ) -&gt; <span class="keywordtype">double</span> { <span class="keywordflow">return</span> ((<span class="keywordtype">double</span>) c.<a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/classDGtal_1_1Color.html#aa487b3d008dc44964b10971ce8a26432">red</a>())   / 255.0; }, true );</div>
<div class="line"><a name="l00355"></a><span class="lineno">  355</span>&#160;      AT.addInput( image, [] ( <a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/classDGtal_1_1Color.html">Color</a> c ) -&gt; <span class="keywordtype">double</span> { <span class="keywordflow">return</span> ((<span class="keywordtype">double</span>) c.<a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/classDGtal_1_1Color.html#a5917f9d174eb75eae2ce49e7f40edbb7">green</a>()) / 255.0; }, true );</div>
<div class="line"><a name="l00356"></a><span class="lineno">  356</span>&#160;      AT.addInput( image, [] ( <a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/classDGtal_1_1Color.html">Color</a> c ) -&gt; <span class="keywordtype">double</span> { <span class="keywordflow">return</span> ((<span class="keywordtype">double</span>) c.<a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/classDGtal_1_1Color.html#af51469f44cfc0603c66efe150b1b0c33">blue</a>())  / 255.0; }, true );</div>
<div class="line"><a name="l00357"></a><span class="lineno">  357</span>&#160;    }</div>
<div class="line"><a name="l00358"></a><span class="lineno">  358</span>&#160;  <span class="keywordflow">else</span> <span class="keywordflow">if</span> ( snr &amp;&amp; grey_image ) </div>
<div class="line"><a name="l00359"></a><span class="lineno">  359</span>&#160;    {</div>
<div class="line"><a name="l00360"></a><span class="lineno">  360</span>&#160;      <a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/namespaceDGtal.html#a604c07ec391ad12a1f3fb6479993f112">trace</a>.<a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/classDGtal_1_1Trace.html#a352b7160bf722e2f0bcbee5d0bad6ef3">beginBlock</a>(<span class="stringliteral">&quot;Reading ideal PGM image&quot;</span>);</div>
<div class="line"><a name="l00361"></a><span class="lineno">  361</span>&#160;      GreyLevelImage image = <a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/structDGtal_1_1PGMReader.html">PGMReader&lt;GreyLevelImage&gt;::importPGM</a>( isnr );</div>
<div class="line"><a name="l00362"></a><span class="lineno">  362</span>&#160;      <a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/namespaceDGtal.html#a604c07ec391ad12a1f3fb6479993f112">trace</a>.<a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/classDGtal_1_1Trace.html#afa3a2874289734884107b1ce68ccb93d">endBlock</a>();</div>
<div class="line"><a name="l00363"></a><span class="lineno">  363</span>&#160;      AT.addInput( image, [] (<span class="keywordtype">unsigned</span> <span class="keywordtype">char</span> c ) { <span class="keywordflow">return</span> ((<span class="keywordtype">double</span>) c) / 255.0; }, true );</div>
<div class="line"><a name="l00364"></a><span class="lineno">  364</span>&#160;    }</div>
<div class="line"><a name="l00365"></a><span class="lineno">  365</span>&#160;  </div>
<div class="line"><a name="l00366"></a><span class="lineno">  366</span>&#160;  <span class="comment">//---------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00367"></a><span class="lineno">  367</span>&#160;  <span class="comment">// Prepare zoomed output domain</span></div>
<div class="line"><a name="l00368"></a><span class="lineno">  368</span>&#160;  <a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/classDGtal_1_1IteratorCompletionTraits_3_01ArrayImageAdapter_3_01TArrayIterator_00_01TDomain_01_4_01_4_1_1DistanceFunctor.html#a79a0f67cc951326052b97eeea300e2c1">Domain</a> out_domain( pix_sz * domain.lowerBound(), </div>
<div class="line"><a name="l00369"></a><span class="lineno">  369</span>&#160;                     pix_sz * domain.upperBound() + Point::diagonal( pix_sz ) );</div>
<div class="line"><a name="l00370"></a><span class="lineno">  370</span>&#160;  <span class="comment">//---------------------------------------------------------------------------</span></div>
<div class="line"><a name="l00371"></a><span class="lineno">  371</span>&#160;  AT.setUFromInput();</div>
<div class="line"><a name="l00372"></a><span class="lineno">  372</span>&#160;  <span class="keywordtype">double</span> g_snr = snr ? AT.computeSNR() : 0.0;</div>
<div class="line"><a name="l00373"></a><span class="lineno">  373</span>&#160; </div>
<div class="line"><a name="l00374"></a><span class="lineno">  374</span>&#160;  <span class="keywordflow">if</span> ( inpainting_mask.size() &gt; 0 )</div>
<div class="line"><a name="l00375"></a><span class="lineno">  375</span>&#160;    {</div>
<div class="line"><a name="l00376"></a><span class="lineno">  376</span>&#160;      <span class="keywordtype">string</span> fm  = inpainting_mask;</div>
<div class="line"><a name="l00377"></a><span class="lineno">  377</span>&#160;      <a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/namespaceDGtal.html#a604c07ec391ad12a1f3fb6479993f112">trace</a>.<a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/classDGtal_1_1Trace.html#a352b7160bf722e2f0bcbee5d0bad6ef3">beginBlock</a>(<span class="stringliteral">&quot;Reading inpainting mask&quot;</span>);</div>
<div class="line"><a name="l00378"></a><span class="lineno">  378</span>&#160;      GreyLevelImage mask = <a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/structDGtal_1_1GenericReader.html">GenericReader&lt;GreyLevelImage&gt;::import</a>( fm );</div>
<div class="line"><a name="l00379"></a><span class="lineno">  379</span>&#160;      <a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/namespaceDGtal.html#a604c07ec391ad12a1f3fb6479993f112">trace</a>.<a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/classDGtal_1_1Trace.html#afa3a2874289734884107b1ce68ccb93d">endBlock</a>();</div>
<div class="line"><a name="l00380"></a><span class="lineno">  380</span>&#160;      <a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/classDGtal_1_1KForm.html">Calculus::PrimalForm2</a> m( AT.calculus );</div>
<div class="line"><a name="l00381"></a><span class="lineno">  381</span>&#160;      <span class="keywordflow">for</span> ( <a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/classDGtal_1_1DiscreteExteriorCalculus.html#ab4367cb06a628fc96e6c637d0f822df0">Calculus::Index</a> index = 0; index &lt; m.myContainer.rows(); index++)</div>
<div class="line"><a name="l00382"></a><span class="lineno">  382</span>&#160;        {</div>
<div class="line"><a name="l00383"></a><span class="lineno">  383</span>&#160;          <span class="keyword">auto</span> cell = m.getSCell( index );</div>
<div class="line"><a name="l00384"></a><span class="lineno">  384</span>&#160;          <span class="keywordtype">double</span> col = ((double) mask( K.<a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/classDGtal_1_1KhalimskySpaceND.html#acbbfda014d1a6c6a493bed7b448c52d5">sCoords</a>( cell ) )) / 255.0;</div>
<div class="line"><a name="l00385"></a><span class="lineno">  385</span>&#160;          m.myContainer( index ) = col &gt; 0.0 ? 1.0 : 0.0;</div>
<div class="line"><a name="l00386"></a><span class="lineno">  386</span>&#160;        }</div>
<div class="line"><a name="l00387"></a><span class="lineno">  387</span>&#160;      AT.setAlpha( a, m );</div>
<div class="line"><a name="l00388"></a><span class="lineno">  388</span>&#160;      AT.setUFromInputAndMask();</div>
<div class="line"><a name="l00389"></a><span class="lineno">  389</span>&#160;      <span class="keywordflow">if</span> ( grey_image )</div>
<div class="line"><a name="l00390"></a><span class="lineno">  390</span>&#160;        {</div>
<div class="line"><a name="l00391"></a><span class="lineno">  391</span>&#160;          ostringstream ossGM;</div>
<div class="line"><a name="l00392"></a><span class="lineno">  392</span>&#160;          ossGM &lt;&lt; boost::format(<span class="stringliteral">&quot;%s-g-mask.pgm&quot;</span>) %f2;</div>
<div class="line"><a name="l00393"></a><span class="lineno">  393</span>&#160;          GreyLevelImage image_mg( domain );</div>
<div class="line"><a name="l00394"></a><span class="lineno">  394</span>&#160;          <span class="keyword">const</span> <a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/classDGtal_1_1KForm.html">Calculus::PrimalForm2</a> mg = functions::dec::diagonal( m ) * AT.getG( 0 );</div>
<div class="line"><a name="l00395"></a><span class="lineno">  395</span>&#160;          functions::dec::form2ToGreyLevelImage</div>
<div class="line"><a name="l00396"></a><span class="lineno">  396</span>&#160;            ( AT.calculus, mg, image_mg, 0.0, 1.0, 1 ); </div>
<div class="line"><a name="l00397"></a><span class="lineno">  397</span>&#160;          <a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/structDGtal_1_1PGMWriter.html">PGMWriter&lt;GreyLevelImage&gt;::exportPGM</a>( ossGM.str(), image_mg );</div>
<div class="line"><a name="l00398"></a><span class="lineno">  398</span>&#160;        }</div>
<div class="line"><a name="l00399"></a><span class="lineno">  399</span>&#160;      <span class="keywordflow">else</span> <span class="keywordflow">if</span> ( color_image )</div>
<div class="line"><a name="l00400"></a><span class="lineno">  400</span>&#160;        {</div>
<div class="line"><a name="l00401"></a><span class="lineno">  401</span>&#160;          ostringstream ossGM;</div>
<div class="line"><a name="l00402"></a><span class="lineno">  402</span>&#160;          ossGM &lt;&lt; boost::format(<span class="stringliteral">&quot;%s-g-mask.ppm&quot;</span>) %f2;</div>
<div class="line"><a name="l00403"></a><span class="lineno">  403</span>&#160;          ColorImage image_mg( domain );</div>
<div class="line"><a name="l00404"></a><span class="lineno">  404</span>&#160;          <span class="keyword">const</span> <a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/classDGtal_1_1KForm.html">Calculus::PrimalForm2</a> mg0 = functions::dec::diagonal( m ) * AT.getG( 0 );</div>
<div class="line"><a name="l00405"></a><span class="lineno">  405</span>&#160;          <span class="keyword">const</span> <a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/classDGtal_1_1KForm.html">Calculus::PrimalForm2</a> mg1 = functions::dec::diagonal( m ) * AT.getG( 1 );</div>
<div class="line"><a name="l00406"></a><span class="lineno">  406</span>&#160;          <span class="keyword">const</span> <a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/classDGtal_1_1KForm.html">Calculus::PrimalForm2</a> mg2 = functions::dec::diagonal( m ) * AT.getG( 2 );</div>
<div class="line"><a name="l00407"></a><span class="lineno">  407</span>&#160;          functions::dec::threeForms2ToRGBColorImage</div>
<div class="line"><a name="l00408"></a><span class="lineno">  408</span>&#160;            ( AT.calculus, mg0, mg1, mg2, image_mg, 0.0, 1.0, 1 ); </div>
<div class="line"><a name="l00409"></a><span class="lineno">  409</span>&#160;          <a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/structDGtal_1_1PPMWriter.html">PPMWriter&lt;ColorImage, functors::Identity &gt;::exportPPM</a>( ossGM.str(), image_mg );</div>
<div class="line"><a name="l00410"></a><span class="lineno">  410</span>&#160;        }</div>
<div class="line"><a name="l00411"></a><span class="lineno">  411</span>&#160;    }</div>
<div class="line"><a name="l00412"></a><span class="lineno">  412</span>&#160;  <span class="keywordflow">else</span> </div>
<div class="line"><a name="l00413"></a><span class="lineno">  413</span>&#160;    AT.setAlpha( a );</div>
<div class="line"><a name="l00414"></a><span class="lineno">  414</span>&#160;  </div>
<div class="line"><a name="l00415"></a><span class="lineno">  415</span>&#160;  <a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/namespaceDGtal.html#a604c07ec391ad12a1f3fb6479993f112">trace</a>.<a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/classDGtal_1_1Trace.html#ad054990834d2763627166540087a2980">info</a>() &lt;&lt; AT &lt;&lt; std::endl;</div>
<div class="line"><a name="l00416"></a><span class="lineno">  416</span>&#160;  <span class="keywordtype">double</span> n_v = 0.0;</div>
<div class="line"><a name="l00417"></a><span class="lineno">  417</span>&#160;  <span class="keywordtype">double</span> eps = 0.0;</div>
<div class="line"><a name="l00418"></a><span class="lineno">  418</span>&#160;  <span class="keywordtype">double</span> cst = 1.0 / ( 2.0 * sqrt(2.0) );</div>
<div class="line"><a name="l00419"></a><span class="lineno">  419</span>&#160;  <span class="keywordflow">while</span> ( l1 &gt;= l2 )</div>
<div class="line"><a name="l00420"></a><span class="lineno">  420</span>&#160;    {</div>
<div class="line"><a name="l00421"></a><span class="lineno">  421</span>&#160;      <a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/namespaceDGtal.html#a604c07ec391ad12a1f3fb6479993f112">trace</a>.<a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/classDGtal_1_1Trace.html#ad054990834d2763627166540087a2980">info</a>() &lt;&lt; <span class="stringliteral">&quot;************ lambda = &quot;</span> &lt;&lt; l1 &lt;&lt; <span class="stringliteral">&quot; **************&quot;</span> &lt;&lt; endl;</div>
<div class="line"><a name="l00422"></a><span class="lineno">  422</span>&#160;      AT.setLambda( cst * l1 );</div>
<div class="line"><a name="l00423"></a><span class="lineno">  423</span>&#160;      <span class="keywordflow">for</span> ( eps = e1; eps &gt;= e2; eps /= er )</div>
<div class="line"><a name="l00424"></a><span class="lineno">  424</span>&#160;        {</div>
<div class="line"><a name="l00425"></a><span class="lineno">  425</span>&#160;          <a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/namespaceDGtal.html#a604c07ec391ad12a1f3fb6479993f112">trace</a>.<a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/classDGtal_1_1Trace.html#ad054990834d2763627166540087a2980">info</a>() &lt;&lt; <span class="stringliteral">&quot;  ======= epsilon = &quot;</span> &lt;&lt; eps &lt;&lt; <span class="stringliteral">&quot; ========&quot;</span> &lt;&lt; endl;</div>
<div class="line"><a name="l00426"></a><span class="lineno">  426</span>&#160;          AT.setEpsilon( eps );</div>
<div class="line"><a name="l00427"></a><span class="lineno">  427</span>&#160;          <span class="keywordtype">int</span> n = 0;</div>
<div class="line"><a name="l00428"></a><span class="lineno">  428</span>&#160;          <span class="keywordflow">do</span> {</div>
<div class="line"><a name="l00429"></a><span class="lineno">  429</span>&#160;            <a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/namespaceDGtal.html#a604c07ec391ad12a1f3fb6479993f112">trace</a>.<a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/classDGtal_1_1Trace.html#ad8efd553b31277903be115e7aa256f74">progressBar</a>( n, nbiter );</div>
<div class="line"><a name="l00430"></a><span class="lineno">  430</span>&#160;            AT.solveU();</div>
<div class="line"><a name="l00431"></a><span class="lineno">  431</span>&#160;            AT.solveV();</div>
<div class="line"><a name="l00432"></a><span class="lineno">  432</span>&#160;            AT.checkV();</div>
<div class="line"><a name="l00433"></a><span class="lineno">  433</span>&#160;            n_v = AT.computeVariation();</div>
<div class="line"><a name="l00434"></a><span class="lineno">  434</span>&#160;          } <span class="keywordflow">while</span> ( ( n_v &gt; 0.0001 ) &amp;&amp; ( ++n &lt; nbiter ) );</div>
<div class="line"><a name="l00435"></a><span class="lineno">  435</span>&#160;          <a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/namespaceDGtal.html#a604c07ec391ad12a1f3fb6479993f112">trace</a>.<a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/classDGtal_1_1Trace.html#ad8efd553b31277903be115e7aa256f74">progressBar</a>( n, nbiter );</div>
<div class="line"><a name="l00436"></a><span class="lineno">  436</span>&#160;          <a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/namespaceDGtal.html#a604c07ec391ad12a1f3fb6479993f112">trace</a>.<a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/classDGtal_1_1Trace.html#ad054990834d2763627166540087a2980">info</a>() &lt;&lt; <span class="stringliteral">&quot;[#### last variation = &quot;</span> &lt;&lt; n_v &lt;&lt; <span class="stringliteral">&quot; &quot;</span> &lt;&lt; endl;</div>
<div class="line"><a name="l00437"></a><span class="lineno">  437</span>&#160;        }</div>
<div class="line"><a name="l00438"></a><span class="lineno">  438</span>&#160;      <span class="keywordflow">if</span> ( grey_image ) </div>
<div class="line"><a name="l00439"></a><span class="lineno">  439</span>&#160;        {</div>
<div class="line"><a name="l00440"></a><span class="lineno">  440</span>&#160;          <span class="keywordflow">if</span> ( verb &gt; 0 ) <a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/namespaceDGtal.html#a604c07ec391ad12a1f3fb6479993f112">trace</a>.<a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/classDGtal_1_1Trace.html#a352b7160bf722e2f0bcbee5d0bad6ef3">beginBlock</a>(<span class="stringliteral">&quot;Writing u[0] as PGM image&quot;</span>);</div>
<div class="line"><a name="l00441"></a><span class="lineno">  441</span>&#160;          ostringstream ossU, ossV, ossW;</div>
<div class="line"><a name="l00442"></a><span class="lineno">  442</span>&#160;          ossU &lt;&lt; boost::format(<span class="stringliteral">&quot;%s-a%.5f-l%.7f-u.pgm&quot;</span>) % f2 % a % l1;</div>
<div class="line"><a name="l00443"></a><span class="lineno">  443</span>&#160;          ossV &lt;&lt; boost::format(<span class="stringliteral">&quot;%s-a%.5f-l%.7f-u-v.pgm&quot;</span>) % f2 % a % l1;</div>
<div class="line"><a name="l00444"></a><span class="lineno">  444</span>&#160;          ossW &lt;&lt; boost::format(<span class="stringliteral">&quot;%s-a%.5f-l%.7f-u-v.ppm&quot;</span>) % f2 % a % l1;</div>
<div class="line"><a name="l00445"></a><span class="lineno">  445</span>&#160;          <span class="keyword">const</span> <a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/classDGtal_1_1KForm.html">Calculus::PrimalForm2</a> u = AT.getU( 0 );</div>
<div class="line"><a name="l00446"></a><span class="lineno">  446</span>&#160;          <span class="keyword">const</span> <a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/classDGtal_1_1KForm.html">Calculus::PrimalForm1</a> v = AT.M01 * AT.getV();</div>
<div class="line"><a name="l00447"></a><span class="lineno">  447</span>&#160;          <span class="comment">// Restored image</span></div>
<div class="line"><a name="l00448"></a><span class="lineno">  448</span>&#160;          GreyLevelImage image_u( domain );</div>
<div class="line"><a name="l00449"></a><span class="lineno">  449</span>&#160;          functions::dec::form2ToGreyLevelImage</div>
<div class="line"><a name="l00450"></a><span class="lineno">  450</span>&#160;            ( AT.calculus, u, image_u, 0.0, 1.0, 1 ); </div>
<div class="line"><a name="l00451"></a><span class="lineno">  451</span>&#160;          <a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/structDGtal_1_1PGMWriter.html">PGMWriter&lt;GreyLevelImage&gt;::exportPGM</a>( ossU.str(), image_u );</div>
<div class="line"><a name="l00452"></a><span class="lineno">  452</span>&#160;          <span class="comment">// Zoomed restored image with discontinuities (in black).</span></div>
<div class="line"><a name="l00453"></a><span class="lineno">  453</span>&#160;          GreyLevelImage image_uv( out_domain );</div>
<div class="line"><a name="l00454"></a><span class="lineno">  454</span>&#160;          functions::dec::form2ToGreyLevelImage</div>
<div class="line"><a name="l00455"></a><span class="lineno">  455</span>&#160;            ( AT.calculus, u, image_uv, 0.0, 1.0, pix_sz ); </div>
<div class="line"><a name="l00456"></a><span class="lineno">  456</span>&#160;          functions::dec::primalForm1ToGreyLevelImage</div>
<div class="line"><a name="l00457"></a><span class="lineno">  457</span>&#160;            ( AT.calculus, v, image_uv, 0.0, 1.0, pix_sz ); </div>
<div class="line"><a name="l00458"></a><span class="lineno">  458</span>&#160;          <a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/structDGtal_1_1PGMWriter.html">PGMWriter&lt;GreyLevelImage&gt;::exportPGM</a>( ossV.str(), image_uv );</div>
<div class="line"><a name="l00459"></a><span class="lineno">  459</span>&#160;          <span class="comment">// Zoomed restored image with discontinuities (in specified color).</span></div>
<div class="line"><a name="l00460"></a><span class="lineno">  460</span>&#160;          ColorImage cimage( out_domain );</div>
<div class="line"><a name="l00461"></a><span class="lineno">  461</span>&#160;          functions::dec::threeForms2ToRGBColorImage</div>
<div class="line"><a name="l00462"></a><span class="lineno">  462</span>&#160;            ( AT.calculus, u, u, u, cimage, 0.0, 1.0, pix_sz ); </div>
<div class="line"><a name="l00463"></a><span class="lineno">  463</span>&#160;          functions::dec::primalForm1ToRGBColorImage</div>
<div class="line"><a name="l00464"></a><span class="lineno">  464</span>&#160;            ( AT.calculus, v, cimage, color_v, 0.0, 1.0, pix_sz ); </div>
<div class="line"><a name="l00465"></a><span class="lineno">  465</span>&#160;          <a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/structDGtal_1_1PPMWriter.html">PPMWriter&lt;ColorImage, functors::Identity &gt;::exportPPM</a>( ossW.str(), cimage );</div>
<div class="line"><a name="l00466"></a><span class="lineno">  466</span>&#160;          <span class="keywordflow">if</span> ( verb &gt; 0 ) <a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/namespaceDGtal.html#a604c07ec391ad12a1f3fb6479993f112">trace</a>.<a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/classDGtal_1_1Trace.html#afa3a2874289734884107b1ce68ccb93d">endBlock</a>();</div>
<div class="line"><a name="l00467"></a><span class="lineno">  467</span>&#160;        }</div>
<div class="line"><a name="l00468"></a><span class="lineno">  468</span>&#160;      <span class="keywordflow">else</span> <span class="keywordflow">if</span> ( color_image )</div>
<div class="line"><a name="l00469"></a><span class="lineno">  469</span>&#160;        {</div>
<div class="line"><a name="l00470"></a><span class="lineno">  470</span>&#160;          <span class="keywordflow">if</span> ( verb &gt; 0 ) <a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/namespaceDGtal.html#a604c07ec391ad12a1f3fb6479993f112">trace</a>.<a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/classDGtal_1_1Trace.html#a352b7160bf722e2f0bcbee5d0bad6ef3">beginBlock</a>(<span class="stringliteral">&quot;Writing u[0,1,2] as PGM image&quot;</span>);</div>
<div class="line"><a name="l00471"></a><span class="lineno">  471</span>&#160;          ostringstream ossU, ossV;</div>
<div class="line"><a name="l00472"></a><span class="lineno">  472</span>&#160;          ossU &lt;&lt; boost::format(<span class="stringliteral">&quot;%s-a%.5f-l%.7f-u.ppm&quot;</span>) % f2 % a % l1;</div>
<div class="line"><a name="l00473"></a><span class="lineno">  473</span>&#160;          ossV &lt;&lt; boost::format(<span class="stringliteral">&quot;%s-a%.5f-l%.7f-u-v.ppm&quot;</span>) % f2 % a % l1;</div>
<div class="line"><a name="l00474"></a><span class="lineno">  474</span>&#160;          <span class="keyword">const</span> <a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/classDGtal_1_1KForm.html">Calculus::PrimalForm2</a> u0 = AT.getU( 0 );</div>
<div class="line"><a name="l00475"></a><span class="lineno">  475</span>&#160;          <span class="keyword">const</span> <a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/classDGtal_1_1KForm.html">Calculus::PrimalForm2</a> u1 = AT.getU( 1 );</div>
<div class="line"><a name="l00476"></a><span class="lineno">  476</span>&#160;          <span class="keyword">const</span> <a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/classDGtal_1_1KForm.html">Calculus::PrimalForm2</a> u2 = AT.getU( 2 );</div>
<div class="line"><a name="l00477"></a><span class="lineno">  477</span>&#160;          <span class="keyword">const</span> <a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/classDGtal_1_1KForm.html">Calculus::PrimalForm1</a> v  = AT.M01 * AT.getV();</div>
<div class="line"><a name="l00478"></a><span class="lineno">  478</span>&#160;          <span class="comment">// Restored image</span></div>
<div class="line"><a name="l00479"></a><span class="lineno">  479</span>&#160;          ColorImage image_u( domain );</div>
<div class="line"><a name="l00480"></a><span class="lineno">  480</span>&#160;          functions::dec::threeForms2ToRGBColorImage</div>
<div class="line"><a name="l00481"></a><span class="lineno">  481</span>&#160;            ( AT.calculus, u0, u1, u2, image_u, 0.0, 1.0, 1 ); </div>
<div class="line"><a name="l00482"></a><span class="lineno">  482</span>&#160;          <a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/structDGtal_1_1PPMWriter.html">PPMWriter&lt;ColorImage, functors::Identity &gt;::exportPPM</a>( ossU.str(), image_u );</div>
<div class="line"><a name="l00483"></a><span class="lineno">  483</span>&#160;          ColorImage image_uv( out_domain );</div>
<div class="line"><a name="l00484"></a><span class="lineno">  484</span>&#160;          functions::dec::threeForms2ToRGBColorImage</div>
<div class="line"><a name="l00485"></a><span class="lineno">  485</span>&#160;            ( AT.calculus, u0, u1, u2, image_uv, 0.0, 1.0, pix_sz ); </div>
<div class="line"><a name="l00486"></a><span class="lineno">  486</span>&#160;          functions::dec::primalForm1ToRGBColorImage</div>
<div class="line"><a name="l00487"></a><span class="lineno">  487</span>&#160;            ( AT.calculus, v, image_uv, color_v, 0.0, 1.0, pix_sz ); </div>
<div class="line"><a name="l00488"></a><span class="lineno">  488</span>&#160;          <a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/structDGtal_1_1PPMWriter.html">PPMWriter&lt;ColorImage, functors::Identity &gt;::exportPPM</a>( ossV.str(), image_uv );</div>
<div class="line"><a name="l00489"></a><span class="lineno">  489</span>&#160;          <span class="keywordflow">if</span> ( verb &gt; 0 ) <a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/namespaceDGtal.html#a604c07ec391ad12a1f3fb6479993f112">trace</a>.<a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/classDGtal_1_1Trace.html#afa3a2874289734884107b1ce68ccb93d">endBlock</a>();</div>
<div class="line"><a name="l00490"></a><span class="lineno">  490</span>&#160;        }</div>
<div class="line"><a name="l00491"></a><span class="lineno">  491</span>&#160;      <span class="comment">// Compute SNR if possible</span></div>
<div class="line"><a name="l00492"></a><span class="lineno">  492</span>&#160;      <span class="keywordflow">if</span> ( snr )</div>
<div class="line"><a name="l00493"></a><span class="lineno">  493</span>&#160;        {</div>
<div class="line"><a name="l00494"></a><span class="lineno">  494</span>&#160;          <span class="keywordtype">double</span> u_snr = AT.computeSNR();</div>
<div class="line"><a name="l00495"></a><span class="lineno">  495</span>&#160;          <a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/namespaceDGtal.html#a604c07ec391ad12a1f3fb6479993f112">trace</a>.<a class="codeRef" href="https://dgtal-team.github.io/doc-nightly/classDGtal_1_1Trace.html#ad054990834d2763627166540087a2980">info</a>() &lt;&lt; <span class="stringliteral">&quot;- SNR of u = &quot;</span> &lt;&lt; u_snr &lt;&lt; <span class="stringliteral">&quot;   SNR of g = &quot;</span> &lt;&lt; g_snr &lt;&lt; endl;</div>
<div class="line"><a name="l00496"></a><span class="lineno">  496</span>&#160;        }</div>
<div class="line"><a name="l00497"></a><span class="lineno">  497</span>&#160;      l1 /= lr;</div>
<div class="line"><a name="l00498"></a><span class="lineno">  498</span>&#160;    }</div>
<div class="line"><a name="l00499"></a><span class="lineno">  499</span>&#160;  <span class="keywordflow">return</span> 0;</div>
<div class="line"><a name="l00500"></a><span class="lineno">  500</span>&#160;}</div>
<div class="ttc" id="a3dHeightMapViewer_8cpp_html_a3c04138a5bfe5d72780bb7e82a18e627"><div class="ttname"><a href="3dHeightMapViewer_8cpp.html#a3c04138a5bfe5d72780bb7e82a18e627">main</a></div><div class="ttdeci">int main(int argc, char **argv)</div><div class="ttdef"><b>Definition:</b> <a href="3dHeightMapViewer_8cpp_source.html#l00206">3dHeightMapViewer.cpp:206</a></div></div>
<div class="ttc" id="aclassDGtal_1_1Color_html"><div class="ttname"><a href="https://dgtal-team.github.io/doc-nightly/classDGtal_1_1Color.html">DGtal::Color</a></div></div>
<div class="ttc" id="aclassDGtal_1_1Color_html_a5917f9d174eb75eae2ce49e7f40edbb7"><div class="ttname"><a href="https://dgtal-team.github.io/doc-nightly/classDGtal_1_1Color.html#a5917f9d174eb75eae2ce49e7f40edbb7">DGtal::Color::green</a></div><div class="ttdeci">void green(const unsigned char aGreenValue)</div></div>
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<div class="ttc" id="anamespaceDGtal_html"><div class="ttname"><a href="namespaceDGtal.html">DGtal</a></div></div>
<div class="ttc" id="anamespaceDGtal_html_a604c07ec391ad12a1f3fb6479993f112"><div class="ttname"><a href="https://dgtal-team.github.io/doc-nightly/namespaceDGtal.html#a604c07ec391ad12a1f3fb6479993f112">DGtal::trace</a></div><div class="ttdeci">Trace trace(traceWriterTerm)</div></div>
<div class="ttc" id="astructDGtal_1_1ATVu2v0_html"><div class="ttname"><a href="structDGtal_1_1ATVu2v0.html">DGtal::ATVu2v0</a></div><div class="ttdoc">Aim: This class solves a variant of Ambrosio-Tortorelli functional in a plane for u a (vector of) 2-f...</div><div class="ttdef"><b>Definition:</b> <a href="ATVu2v0_8h_source.html#l00077">ATVu2v0.h:78</a></div></div>
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<div class="ttc" id="astructDGtal_1_1PPMReader_html"><div class="ttname"><a href="https://dgtal-team.github.io/doc-nightly/structDGtal_1_1PPMReader.html">DGtal::PPMReader</a></div></div>
<div class="ttc" id="astructDGtal_1_1PPMWriter_html"><div class="ttname"><a href="https://dgtal-team.github.io/doc-nightly/structDGtal_1_1PPMWriter.html">DGtal::PPMWriter</a></div></div>
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