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itkRegionBasedLevelSetFunctionSharedData.h

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00001 /*=========================================================================
00002 
00003   Program:   Insight Segmentation & Registration Toolkit
00004   Module:    $RCSfile: itkRegionBasedLevelSetFunctionSharedData.h,v $
00005   Language:  C++
00006   Date:      $Date: 2009-05-14 21:46:49 $
00007   Version:   $Revision: 1.1 $
00008 
00009   Copyright (c) Insight Software Consortium. All rights reserved.
00010   See ITKCopyright.txt or http://www.itk.org/HTML/Copyright.htm for details.
00011 
00012      This software is distributed WITHOUT ANY WARRANTY; without even
00013      the implied warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR
00014      PURPOSE.  See the above copyright notices for more information.
00015 
00016 =========================================================================*/
00017 #ifndef __itkRegionBasedLevelSetFunctionSharedData_h
00018 #define __itkRegionBasedLevelSetFunctionSharedData_h
00019 
00020 #include "itkLightObject.h"
00021 
00022 #include "itkVector.h"
00023 #include "itkListSample.h"
00024 #include "itkKdTree.h"
00025 #include "itkKdTreeGenerator.h"
00026 
00027 #include "itkImageRegionIterator.h"
00028 #include "itkImageRegionIteratorWithIndex.h"
00029 
00030 namespace itk
00031 {
00032 
00067 template < class TInputImage, class TFeatureImage, class TSingleData >
00068 class RegionBasedLevelSetFunctionSharedData : public LightObject
00069 {
00070 public:
00071 
00072   typedef RegionBasedLevelSetFunctionSharedData             Self;
00073   typedef LightObject                                       Superclass;
00074   typedef SmartPointer<Self>                                Pointer;
00075   typedef SmartPointer<const Self>                          ConstPointer;
00076 
00077   itkStaticConstMacro( ImageDimension, unsigned int, TFeatureImage::ImageDimension );
00078 
00079   itkTypeMacro(RegionBasedLevelSetFunctionSharedData, LightObject);
00080 
00081   typedef TInputImage                                   InputImageType;
00082   typedef typename InputImageType::Pointer              InputImagePointer;
00083   typedef typename InputImageType::ConstPointer         InputImageConstPointer;
00084   typedef typename InputImageType::PixelType            InputPixelType;
00085   typedef typename InputImageType::RegionType           InputRegionType;
00086   typedef typename InputImageType::SizeType             InputSizeType;
00087   typedef typename InputSizeType::SizeValueType         InputSizeValueType;
00088   typedef typename InputImageType::SpacingType          InputSpacingType;
00089   typedef typename InputImageType::IndexType            InputIndexType;
00090   typedef typename InputIndexType::IndexValueType       InputIndexValueType;
00091   typedef typename InputImageType::PointType            InputPointType;
00092 
00093   typedef TFeatureImage                                 FeatureImageType;
00094   typedef typename FeatureImageType::Pointer            FeatureImagePointer;
00095   typedef typename FeatureImageType::ConstPointer       FeatureImageConstPointer;
00096   typedef typename FeatureImageType::PixelType          FeaturePixelType;
00097   typedef typename FeatureImageType::RegionType         FeatureRegionType;
00098   typedef typename FeatureImageType::SizeType           FeatureSizeType;
00099   typedef typename FeatureSizeType::SizeValueType       FeatureSizeValueType;
00100   typedef typename FeatureImageType::SpacingType        FeatureSpacingType;
00101   typedef typename FeatureImageType::IndexType          FeatureIndexType;
00102   typedef typename FeatureImageType::PointType          FeaturePointType;
00103 
00104   typedef std::list< unsigned int >                     ListPixelType;
00105   typedef Image< ListPixelType, itkGetStaticConstMacro(ImageDimension) >
00106                                                         ListImageType;
00107   typedef typename ListImageType::Pointer               ListImagePointer;
00108   typedef typename ListImageType::ConstPointer          ListImageConstPointer;
00109   typedef typename ListImageType::RegionType            ListRegionType;
00110   typedef typename ListImageType::SizeType              ListSizeType;
00111   typedef typename ListSizeType::SizeValueType          ListSizeValueType;
00112   typedef typename ListImageType::SpacingType           ListSpacingType;
00113   typedef typename ListImageType::IndexType             ListIndexType;
00114   typedef typename ListIndexType::IndexValueType        ListIndexValueType;
00115   typedef typename ListImageType::PointType             ListPointType;
00116   typedef ImageRegionIteratorWithIndex< ListImageType > ListIteratorType;
00117 
00118   typedef Vector< float, itkGetStaticConstMacro(ImageDimension) >
00119                                                         CentroidVectorType;
00120   typedef itk::Statistics::ListSample< CentroidVectorType >   SampleType;
00121   typedef itk::Statistics::KdTreeGenerator< SampleType >      TreeGeneratorType;
00122   typedef typename TreeGeneratorType::Pointer                 TreePointer;
00123   typedef typename TreeGeneratorType::KdTreeType              TreeType;
00124   typedef typename TreeType::Pointer                          KdTreePointer;
00125 
00126   typedef TSingleData                                   LevelSetDataType;
00127   typedef typename LevelSetDataType::Pointer            LevelSetDataPointer;
00128   typedef std::vector< LevelSetDataPointer >            LevelSetDataPointerVector;
00129   typedef typename LevelSetDataPointerVector::iterator  LevelSetDataPointerVectorIterator;
00130 
00131   void SetFunctionCount( const unsigned int& n )
00132     {
00133     this->m_FunctionCount = n;
00134     this->m_LevelSetDataPointerVector.resize( n, 0 );
00135 
00136     LevelSetDataPointerVectorIterator it = m_LevelSetDataPointerVector.begin();
00137     LevelSetDataPointerVectorIterator end = m_LevelSetDataPointerVector.end();
00138     while( it != end )
00139       {
00140       (*it) = LevelSetDataType::New();
00141       it++;
00142       }
00143     }
00144 
00145   void SetNumberOfNeighbors( const unsigned int& n )
00146     {
00147     this->m_NumberOfNeighbors = n;
00148     }
00149 
00150   void CreateHeavisideFunctionOfLevelSetImage( const unsigned int& j, const InputImageType * image )
00151     {
00152     m_LevelSetDataPointerVector[j]->CreateHeavisideFunctionOfLevelSetImage( image );
00153     }
00154 
00155   void SetKdTree( KdTreePointer kdtree )
00156     {
00157     this->m_KdTree = kdtree;
00158     }
00159 
00160   void AllocateListImage( const FeatureImageType * featureImage )
00161     {
00162     this->m_NearestNeighborListImage = ListImageType::New();
00163     this->m_NearestNeighborListImage->CopyInformation( featureImage );
00164     this->m_NearestNeighborListImage->SetRegions( featureImage->GetLargestPossibleRegion() );
00165     this->m_NearestNeighborListImage->Allocate();
00166     }
00167 
00168   virtual void PopulateListImage() = 0;
00169 
00170   LevelSetDataPointerVector         m_LevelSetDataPointerVector;
00171 
00172   unsigned int                      m_FunctionCount;
00173   unsigned int                      m_NumberOfNeighbors;
00174   ListImagePointer                  m_NearestNeighborListImage;
00175   KdTreePointer                     m_KdTree;
00176 
00177 protected:
00178   RegionBasedLevelSetFunctionSharedData() : m_NumberOfNeighbors( 6 ), m_KdTree( 0 ){}
00179   ~RegionBasedLevelSetFunctionSharedData(){}
00180 
00181 private:
00182   RegionBasedLevelSetFunctionSharedData(const Self&); //purposely not implemented
00183   void operator=(const Self&); //purposely not implemented
00184 };
00185 
00186 } //end namespace itk
00187 
00188 #endif
00189 

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