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<h1>itkLabelContourImageFilter.h</h1><a href="itkLabelContourImageFilter_8h.html">Go to the documentation of this file.</a><div class="fragment"><pre class="fragment"><a name="l00001"></a>00001 <span class="comment">/*=========================================================================</span>
<a name="l00002"></a>00002 <span class="comment"></span>
<a name="l00003"></a>00003 <span class="comment">  Program:   Insight Segmentation &amp; Registration Toolkit</span>
<a name="l00004"></a>00004 <span class="comment">  Module:    $RCSfile: itkLabelContourImageFilter.h,v $</span>
<a name="l00005"></a>00005 <span class="comment">  Language:  C++</span>
<a name="l00006"></a>00006 <span class="comment">  Date:      $Date: 2009-02-14 22:00:53 $</span>
<a name="l00007"></a>00007 <span class="comment">  Version:   $Revision: 1.1 $</span>
<a name="l00008"></a>00008 <span class="comment"></span>
<a name="l00009"></a>00009 <span class="comment">  Copyright (c) Insight Software Consortium. All rights reserved.</span>
<a name="l00010"></a>00010 <span class="comment">  See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.</span>
<a name="l00011"></a>00011 <span class="comment"></span>
<a name="l00012"></a>00012 <span class="comment">     This software is distributed WITHOUT ANY WARRANTY; without even </span>
<a name="l00013"></a>00013 <span class="comment">     the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR </span>
<a name="l00014"></a>00014 <span class="comment">     PURPOSE.  See the above copyright notices for more information.</span>
<a name="l00015"></a>00015 <span class="comment"></span>
<a name="l00016"></a>00016 <span class="comment">=========================================================================*/</span>
<a name="l00017"></a>00017 
<a name="l00018"></a>00018 <span class="preprocessor">#ifndef __itkLabelContourImageFilter_h</span>
<a name="l00019"></a>00019 <span class="preprocessor"></span><span class="preprocessor">#define __itkLabelContourImageFilter_h</span>
<a name="l00020"></a>00020 <span class="preprocessor"></span>
<a name="l00021"></a>00021 <span class="preprocessor">#include "<a class="code" href="itkInPlaceImageFilter_8h.html">itkInPlaceImageFilter.h</a>"</span>
<a name="l00022"></a>00022 <span class="preprocessor">#include "<a class="code" href="itkImage_8h.html">itkImage.h</a>"</span>
<a name="l00023"></a>00023 <span class="preprocessor">#include "<a class="code" href="itkConceptChecking_8h.html">itkConceptChecking.h</a>"</span>
<a name="l00024"></a>00024 <span class="preprocessor">#include &lt;vector&gt;</span>
<a name="l00025"></a>00025 <span class="preprocessor">#include &lt;map&gt;</span>
<a name="l00026"></a>00026 <span class="preprocessor">#include "<a class="code" href="itkProgressReporter_8h.html">itkProgressReporter.h</a>"</span>
<a name="l00027"></a>00027 <span class="preprocessor">#include "<a class="code" href="itkBarrier_8h.html">itkBarrier.h</a>"</span>
<a name="l00028"></a>00028 
<a name="l00029"></a>00029 <span class="keyword">namespace </span>itk
<a name="l00030"></a>00030 {
<a name="l00031"></a>00031 
<a name="l00052"></a>00052 <span class="keyword">template</span> &lt;<span class="keyword">class</span> TInputImage, <span class="keyword">class</span> TOutputImage&gt;
<a name="l00053"></a><a class="code" href="classitk_1_1LabelContourImageFilter.html">00053</a> <span class="keyword">class </span><a class="code" href="itkWin32Header_8h.html#7d4384322557205d75f0719c012dded6">ITK_EXPORT</a> <a class="code" href="classitk_1_1LabelContourImageFilter.html" title="Labels the pixels on the border of the objects in a labeled image.">LabelContourImageFilter</a> : 
<a name="l00054"></a>00054     <span class="keyword">public</span> <a class="code" href="classitk_1_1InPlaceImageFilter.html" title="Base class for filters that take an image as input and overwrite that image as the...">InPlaceImageFilter</a>&lt; TInputImage, TOutputImage &gt; 
<a name="l00055"></a>00055 {
<a name="l00056"></a>00056 <span class="keyword">public</span>:
<a name="l00060"></a><a class="code" href="classitk_1_1LabelContourImageFilter.html#415c89a9df046ee8d0838f3137ba9c61">00060</a>   <span class="keyword">typedef</span> <a class="code" href="classitk_1_1LabelContourImageFilter.html" title="Labels the pixels on the border of the objects in a labeled image.">LabelContourImageFilter</a>                         <a class="code" href="classitk_1_1LightObject.html" title="Light weight base class for most itk classes.">Self</a>;
<a name="l00061"></a><a class="code" href="classitk_1_1LabelContourImageFilter.html#feb237092abde1db2a551ab1b563eaa8">00061</a>   <span class="keyword">typedef</span> <a class="code" href="classitk_1_1InPlaceImageFilter.html">InPlaceImageFilter&lt; TInputImage, TOutputImage &gt;</a> <a class="code" href="classitk_1_1LightObject.html" title="Light weight base class for most itk classes.">Superclass</a>;
<a name="l00062"></a>00062 
<a name="l00066"></a><a class="code" href="classitk_1_1LabelContourImageFilter.html#279a130d8378e2c115cb26b54346fd79">00066</a>   <span class="keyword">typedef</span> <span class="keyword">typename</span> Superclass::InputImagePointer InputImagePointer;
<a name="l00067"></a>00067 
<a name="l00072"></a><a class="code" href="classitk_1_1LabelContourImageFilter.html#60511002e2c34f02709c121be94e6861">00072</a>   <span class="keyword">typedef</span> <span class="keyword">typename</span> TOutputImage::PixelType         <a class="code" href="namespaceHardConnectedComponentImageFilter.html#73549c9066bb62470db248f27cde10d2">OutputPixelType</a>;
<a name="l00073"></a><a class="code" href="classitk_1_1LabelContourImageFilter.html#6d0685fa4f2d3ff41f5feabefbd42fa2">00073</a>   <span class="keyword">typedef</span> <span class="keyword">typename</span> TOutputImage::InternalPixelType <a class="code" href="namespaceHardConnectedComponentImageFilter.html#05ddc2f0f1e5f6684417679cf537b4e2">OutputInternalPixelType</a>;
<a name="l00074"></a><a class="code" href="classitk_1_1LabelContourImageFilter.html#b4c3c42a245499ff654065468296b293">00074</a>   <span class="keyword">typedef</span> <span class="keyword">typename</span> TInputImage::PixelType          <a class="code" href="namespaceHardConnectedComponentImageFilter.html#6e44b89d73d576fe68c175566a634ab8">InputPixelType</a>;
<a name="l00075"></a><a class="code" href="classitk_1_1LabelContourImageFilter.html#599340dfe293d2803e8e9cdc2668ee7e">00075</a>   <span class="keyword">typedef</span> <span class="keyword">typename</span> TInputImage::InternalPixelType  <a class="code" href="namespaceHardConnectedComponentImageFilter.html#a49b439ecaa370af8c4f2c64b0f845bd">InputInternalPixelType</a>;
<a name="l00076"></a>00076 
<a name="l00077"></a>00077   <a class="code" href="itkMacro_8h.html#1905cf6b2e88235996fa7ff73b2fb0eb">itkStaticConstMacro</a>(ImageDimension, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>,
<a name="l00078"></a>00078                       TOutputImage::ImageDimension);
<a name="l00079"></a>00079   <a class="code" href="itkMacro_8h.html#1905cf6b2e88235996fa7ff73b2fb0eb">itkStaticConstMacro</a>(OutputImageDimension, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>,
<a name="l00080"></a>00080                       TOutputImage::ImageDimension);
<a name="l00081"></a>00081   <a class="code" href="itkMacro_8h.html#1905cf6b2e88235996fa7ff73b2fb0eb">itkStaticConstMacro</a>(InputImageDimension, <span class="keywordtype">unsigned</span> <span class="keywordtype">int</span>,
<a name="l00082"></a>00082                       TInputImage::ImageDimension);
<a name="l00083"></a>00083   
<a name="l00087"></a><a class="code" href="classitk_1_1LabelContourImageFilter.html#a7aa5e1acea8599f0eeaea1c674138f7">00087</a>   <span class="keyword">typedef</span> TInputImage                       <a class="code" href="namespaceHardConnectedComponentImageFilter.html#3742cbac150bee74daa9aab85ed80623">InputImageType</a>;
<a name="l00088"></a><a class="code" href="classitk_1_1LabelContourImageFilter.html#22f1af37828838bbc44eeabff89e4292">00088</a>   <span class="keyword">typedef</span> <span class="keyword">typename</span> <a class="code" href="namespaceHardConnectedComponentImageFilter.html#be32dc19e71d40322ad9828b9ab40853">TInputImage::IndexType</a>   <a class="code" href="namespaceHardConnectedComponentImageFilter.html#be32dc19e71d40322ad9828b9ab40853">IndexType</a>;
<a name="l00089"></a><a class="code" href="classitk_1_1LabelContourImageFilter.html#f13fd1e03d365a0d863f7236af2530d5">00089</a>   <span class="keyword">typedef</span> <span class="keyword">typename</span> <a class="code" href="namespaceHardConnectedComponentImageFilter.html#5bf82236e1e50e653de84c8ead448599">TInputImage::SizeType</a>    <a class="code" href="namespaceHardConnectedComponentImageFilter.html#5bf82236e1e50e653de84c8ead448599">SizeType</a>;
<a name="l00090"></a><a class="code" href="classitk_1_1LabelContourImageFilter.html#272b5bf8623d29bb847d7088bd9ca1aa">00090</a>   <span class="keyword">typedef</span> <span class="keyword">typename</span> TInputImage::OffsetType  OffsetType;
<a name="l00091"></a><a class="code" href="classitk_1_1LabelContourImageFilter.html#a58b594be684269997fe63e7c13c29e1">00091</a>   <span class="keyword">typedef</span> <span class="keyword">typename</span> TInputImage::PixelType   InputImagePixelType;
<a name="l00092"></a>00092 
<a name="l00093"></a><a class="code" href="classitk_1_1LabelContourImageFilter.html#13b22d752fa227202af8ae11c0764d63">00093</a>   <span class="keyword">typedef</span> TOutputImage                      <a class="code" href="namespaceHardConnectedComponentImageFilter.html#386ea018cab3835dcdff2603f4d2280e">OutputImageType</a>;
<a name="l00094"></a><a class="code" href="classitk_1_1LabelContourImageFilter.html#b0302afb998386bb9aa31f226d241590">00094</a>   <span class="keyword">typedef</span> <span class="keyword">typename</span> <a class="code" href="namespaceHardConnectedComponentImageFilter.html#ed8c4a40607d317c666eb96ea265e126">TOutputImage::RegionType</a> <a class="code" href="namespaceHardConnectedComponentImageFilter.html#ed8c4a40607d317c666eb96ea265e126">RegionType</a>;
<a name="l00095"></a><a class="code" href="classitk_1_1LabelContourImageFilter.html#a7baef3a1f45a3b0e0170480127aa6fa">00095</a>   <span class="keyword">typedef</span> <span class="keyword">typename</span> <a class="code" href="namespaceHardConnectedComponentImageFilter.html#be32dc19e71d40322ad9828b9ab40853">TOutputImage::IndexType</a>  OutputIndexType;
<a name="l00096"></a><a class="code" href="classitk_1_1LabelContourImageFilter.html#5944eee139deae1275b5df5e7994a259">00096</a>   <span class="keyword">typedef</span> <span class="keyword">typename</span> <a class="code" href="namespaceHardConnectedComponentImageFilter.html#5bf82236e1e50e653de84c8ead448599">TOutputImage::SizeType</a>   OutputSizeType;
<a name="l00097"></a><a class="code" href="classitk_1_1LabelContourImageFilter.html#622c882608e50392ebdb43b4d93a8765">00097</a>   <span class="keyword">typedef</span> <span class="keyword">typename</span> TOutputImage::OffsetType OutputOffsetType;
<a name="l00098"></a><a class="code" href="classitk_1_1LabelContourImageFilter.html#0d24182b4cf032eca15ca2a28bcff8ec">00098</a>   <span class="keyword">typedef</span> <span class="keyword">typename</span> TOutputImage::PixelType  OutputImagePixelType;
<a name="l00099"></a>00099 
<a name="l00100"></a><a class="code" href="classitk_1_1LabelContourImageFilter.html#958aab79a27d05d868649be55766b2eb">00100</a>   <span class="keyword">typedef</span> std::list&lt;IndexType&gt;              <a class="code" href="namespaceHardConnectedComponentImageFilter.html#c7ddb53527b2dae111d642e7d2e6be07">ListType</a>;
<a name="l00101"></a>00101 
<a name="l00105"></a><a class="code" href="classitk_1_1LabelContourImageFilter.html#75c2ec56fd0eb81b034cdd481d0101cd">00105</a>   <span class="keyword">typedef</span> <a class="code" href="classitk_1_1SmartPointer.html">SmartPointer&lt;Self&gt;</a>        <a class="code" href="classitk_1_1SmartPointer.html">Pointer</a>;
<a name="l00106"></a><a class="code" href="classitk_1_1LabelContourImageFilter.html#302452d1e5c25e95b1332bd5a6002e82">00106</a>   <span class="keyword">typedef</span> <a class="code" href="classitk_1_1SmartPointer.html">SmartPointer&lt;const Self&gt;</a>  <a class="code" href="classitk_1_1SmartPointer.html">ConstPointer</a>;
<a name="l00107"></a>00107 
<a name="l00111"></a>00111   <a class="code" href="itkMacro_8h.html#574c1f86661d409dd32c742307a0e96a">itkTypeMacro</a>(<a class="code" href="classitk_1_1LabelContourImageFilter.html" title="Labels the pixels on the border of the objects in a labeled image.">LabelContourImageFilter</a>, <a class="code" href="classitk_1_1ImageToImageFilter.html" title="Base class for filters that take an image as input and produce an image as output...">ImageToImageFilter</a>);
<a name="l00112"></a>00112 
<a name="l00116"></a>00116   <a class="code" href="itkMacro_8h.html#0fdc15685afa271857c57e7cd482f30c">itkNewMacro</a>(<a class="code" href="classitk_1_1LightObject.html" title="Light weight base class for most itk classes.">Self</a>);
<a name="l00117"></a>00117 
<a name="l00124"></a>00124   <a class="code" href="itkMacro_8h.html#7ebdd33cc5e7d74720ced9099c034faa">itkSetMacro</a>(FullyConnected, <span class="keywordtype">bool</span>);
<a name="l00125"></a>00125   <a class="code" href="itkMacro_8h.html#7d989c13a1a213168db99ae0f84185d4">itkGetConstReferenceMacro</a>(FullyConnected, <span class="keywordtype">bool</span>);
<a name="l00126"></a>00126   <a class="code" href="itkMacro_8h.html#9e7d129ffebb09fd28bc213e02d87248">itkBooleanMacro</a>(FullyConnected);
<a name="l00128"></a>00128 
<a name="l00129"></a>00129   <span class="comment">// Concept checking -- input and output dimensions must be the same</span>
<a name="l00130"></a>00130   <a class="code" href="itkConceptChecking_8h.html#009eae6c305d9c390972159815e6a710">itkConceptMacro</a>(SameDimension,
<a name="l00131"></a>00131     (<a class="code" href="structitk_1_1Concept_1_1SameDimension.html">Concept::SameDimension</a>&lt;<a class="code" href="itkMacro_8h.html#94ef2dc11d52c8ef0a78e34558feb8cb">itkGetStaticConstMacro</a>(InputImageDimension),
<a name="l00132"></a>00132        <a class="code" href="itkMacro_8h.html#94ef2dc11d52c8ef0a78e34558feb8cb">itkGetStaticConstMacro</a>(OutputImageDimension)&gt;));
<a name="l00133"></a>00133 
<a name="l00138"></a>00138   <a class="code" href="itkMacro_8h.html#7ebdd33cc5e7d74720ced9099c034faa">itkSetMacro</a>(BackgroundValue, OutputImagePixelType);
<a name="l00139"></a>00139   <a class="code" href="itkMacro_8h.html#1600305bb01e39e87c472d8bf29bd1cf">itkGetMacro</a>(BackgroundValue, OutputImagePixelType);
<a name="l00141"></a>00141 
<a name="l00142"></a>00142 <span class="keyword">protected</span>:
<a name="l00143"></a><a class="code" href="classitk_1_1LabelContourImageFilter.html#27b846098673ae73f6e941d364ff70eb">00143</a>   <a class="code" href="classitk_1_1LabelContourImageFilter.html" title="Labels the pixels on the border of the objects in a labeled image.">LabelContourImageFilter</a>() 
<a name="l00144"></a>00144     {
<a name="l00145"></a>00145     m_FullyConnected = <span class="keyword">false</span>;
<a name="l00146"></a>00146     m_BackgroundValue = NumericTraits&lt; OutputImagePixelType &gt;::Zero;
<a name="l00147"></a>00147     m_NumberOfThreads = 0;
<a name="l00148"></a>00148     this-&gt;SetInPlace( <span class="keyword">false</span> );
<a name="l00149"></a>00149     }
<a name="l00150"></a><a class="code" href="classitk_1_1LabelContourImageFilter.html#4ba990fd4f04aea8af9ec63735bae7dd">00150</a>   <span class="keyword">virtual</span> <a class="code" href="classitk_1_1LabelContourImageFilter.html#4ba990fd4f04aea8af9ec63735bae7dd">~LabelContourImageFilter</a>() {}
<a name="l00151"></a><a class="code" href="classitk_1_1LabelContourImageFilter.html#ca42517ed0616cea048047644933b5c6">00151</a>   <a class="code" href="classitk_1_1LabelContourImageFilter.html#ca42517ed0616cea048047644933b5c6">LabelContourImageFilter</a>(<span class="keyword">const</span> <a class="code" href="classitk_1_1LightObject.html" title="Light weight base class for most itk classes.">Self</a>&amp;) {}
<a name="l00152"></a>00152   <span class="keywordtype">void</span> <a class="code" href="namespaceHardConnectedComponentImageFilter.html#920ae03048a5ad715d803ca2e92b52de">PrintSelf</a>(std::ostream&amp; os, <a class="code" href="classitk_1_1Indent.html" title="Control indentation during Print() invocation.">Indent</a> indent) <span class="keyword">const</span>;
<a name="l00153"></a>00153 
<a name="l00157"></a>00157   <span class="keywordtype">void</span> BeforeThreadedGenerateData ();
<a name="l00158"></a>00158   <span class="keywordtype">void</span> AfterThreadedGenerateData ();
<a name="l00159"></a>00159   <span class="keywordtype">void</span> ThreadedGenerateData (<span class="keyword">const</span> <a class="code" href="namespaceHardConnectedComponentImageFilter.html#ed8c4a40607d317c666eb96ea265e126">RegionType</a>&amp; outputRegionForThread, <span class="keywordtype">int</span> threadId);
<a name="l00161"></a>00161 
<a name="l00165"></a>00165   <span class="keywordtype">void</span> GenerateInputRequestedRegion();
<a name="l00166"></a>00166 
<a name="l00171"></a>00171   <span class="keywordtype">void</span> EnlargeOutputRequestedRegion(<a class="code" href="classitk_1_1DataObject.html" title="Base class for all data objects in ITK.">DataObject</a> *<a class="code" href="itkMacro_8h.html#6be3b439282da7a34278c0594589b972">itkNotUsed</a>(output));
<a name="l00172"></a>00172 
<a name="l00173"></a>00173 <span class="keyword">private</span>:
<a name="l00174"></a>00174   OutputImagePixelType m_BackgroundValue;
<a name="l00175"></a>00175   <span class="keywordtype">bool</span>                 m_FullyConnected;
<a name="l00176"></a>00176   
<a name="l00177"></a>00177   <span class="comment">// some additional types</span>
<a name="l00178"></a>00178   <span class="keyword">typedef</span> <span class="keyword">typename</span> <a class="code" href="namespaceHardConnectedComponentImageFilter.html#5bf82236e1e50e653de84c8ead448599">TOutputImage::RegionType::SizeType</a> OutSizeType;
<a name="l00179"></a>00179 
<a name="l00180"></a>00180   <span class="comment">// types to support the run length encoding of lines</span>
<a name="l00181"></a>00181   <span class="keyword">class </span>runLength
<a name="l00182"></a>00182     {
<a name="l00183"></a>00183     <span class="keyword">public</span>:
<a name="l00184"></a>00184     <span class="comment">// run length information - may be a more type safe way of doing this</span>
<a name="l00185"></a>00185     <span class="keywordtype">long</span> <span class="keywordtype">int</span> length;
<a name="l00186"></a>00186     <span class="keyword">typename</span> <a class="code" href="namespaceHardConnectedComponentImageFilter.html#be32dc19e71d40322ad9828b9ab40853">InputImageType::IndexType</a> where; <span class="comment">// Index of the start of the run</span>
<a name="l00187"></a>00187     InputImagePixelType label;
<a name="l00188"></a>00188     };
<a name="l00189"></a>00189 
<a name="l00190"></a>00190   <span class="keyword">typedef</span> std::vector&lt;runLength&gt; lineEncoding;
<a name="l00191"></a>00191 
<a name="l00192"></a>00192   <span class="comment">// the map storing lines</span>
<a name="l00193"></a>00193   <span class="keyword">typedef</span> std::vector&lt;lineEncoding&gt; LineMapType;
<a name="l00194"></a>00194   
<a name="l00195"></a>00195   <span class="keyword">typedef</span> std::vector&lt;long&gt; OffsetVec;
<a name="l00196"></a>00196 
<a name="l00197"></a>00197   <span class="comment">// the types to support union-find operations</span>
<a name="l00198"></a>00198   <span class="keyword">typedef</span> std::vector&lt;unsigned long int&gt; UnionFindType;
<a name="l00199"></a>00199 
<a name="l00200"></a>00200   <span class="keywordtype">bool</span> CheckNeighbors(<span class="keyword">const</span> OutputIndexType &amp;<a class="code" href="classA.html">A</a>, 
<a name="l00201"></a>00201                       <span class="keyword">const</span> OutputIndexType &amp;B);
<a name="l00202"></a>00202 
<a name="l00203"></a>00203   <span class="keywordtype">void</span> CompareLines(lineEncoding &amp;current, <span class="keyword">const</span> lineEncoding &amp;Neighbour);
<a name="l00204"></a>00204 
<a name="l00205"></a>00205 
<a name="l00206"></a>00206   <span class="keywordtype">void</span> SetupLineOffsets(OffsetVec &amp;LineOffsets);
<a name="l00207"></a>00207 
<a name="l00208"></a>00208   <span class="keywordtype">void</span> Wait()
<a name="l00209"></a>00209     {
<a name="l00210"></a>00210     <span class="keywordflow">if</span>( m_NumberOfThreads &gt; 1 )
<a name="l00211"></a>00211       {
<a name="l00212"></a>00212       m_Barrier-&gt;Wait();
<a name="l00213"></a>00213       }
<a name="l00214"></a>00214     }
<a name="l00215"></a>00215 
<a name="l00216"></a>00216   <span class="keyword">typename</span> <a class="code" href="classitk_1_1Barrier.html#6b807fce643316cf38b131f59ed27f8d">Barrier::Pointer</a> m_Barrier;
<a name="l00217"></a>00217   LineMapType               m_LineMap;
<a name="l00218"></a>00218   <span class="keywordtype">long</span>                      m_NumberOfThreads;
<a name="l00219"></a>00219 };
<a name="l00220"></a>00220   
<a name="l00221"></a>00221 } <span class="comment">// end namespace itk</span>
<a name="l00222"></a>00222 
<a name="l00223"></a>00223 <span class="preprocessor">#ifndef ITK_MANUAL_INSTANTIATION</span>
<a name="l00224"></a>00224 <span class="preprocessor"></span><span class="preprocessor">#include "itkLabelContourImageFilter.txx"</span>
<a name="l00225"></a>00225 <span class="preprocessor">#endif</span>
<a name="l00226"></a>00226 <span class="preprocessor"></span>
<a name="l00227"></a>00227 <span class="preprocessor">#endif</span>
<a name="l00228"></a>00228 <span class="preprocessor"></span>
</pre></div></div>
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