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itkKLMRegionGrowImageFilter.h

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00001 /*=========================================================================
00002 
00003   Program:   Insight Segmentation & Registration Toolkit
00004   Module:    $RCSfile: itkKLMRegionGrowImageFilter.h,v $
00005   Language:  C++
00006   Date:      $Date: 2002/09/11 19:39:01 $
00007   Version:   $Revision: 1.34 $
00008 
00009   Copyright (c) 2002 Insight 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 _itkKLMRegionGrowImageFilter_h
00018 #define _itkKLMRegionGrowImageFilter_h
00019 
00020 #include "itkImage.h"
00021 #include "itkObject.h"
00022 #include "itkImageToImageFilter.h"
00023 #include "itkRegionGrowImageFilter.h"
00024 #include "itkKLMSegmentationRegion.h"
00025 #include "itkKLMSegmentationBorder.h"
00026 #include "itkImageRegionIterator.h"
00027 #include "itkImageRegionConstIterator.h"
00028 #include <algorithm>
00029 #include <functional>
00030 
00031 namespace itk
00032 {
00033 
00156 template <class TInputImage, class TOutputImage>
00157 class ITK_EXPORT KLMRegionGrowImageFilter : public RegionGrowImageFilter<TInputImage,TOutputImage>
00158 {
00159 public:
00161   typedef KLMRegionGrowImageFilter   Self;
00162   typedef RegionGrowImageFilter<TInputImage,TOutputImage> Superclass;
00163   typedef SmartPointer<Self>  Pointer;
00164   typedef SmartPointer<const Self>  ConstPointer;
00165 
00167   itkNewMacro(Self);
00168 
00170   itkTypeMacro(KLMRegionGrowImageFilter,RegionGrowImageFilter);
00171 
00173   typedef TInputImage                           InputImageType;
00174   typedef typename TInputImage::Pointer         InputImagePointer;
00175   typedef typename TInputImage::ConstPointer    InputImageConstPointer;
00176 
00178   typedef typename TInputImage::PixelType       InputImagePixelType;
00179 
00181   typedef typename TInputImage::PixelType::VectorType InputImageVectorType;
00182 
00184   typedef typename TInputImage::IndexType       InputImageIndexType;
00185 
00187   typedef typename TInputImage::OffsetType      InputImageOffsetType;
00188 
00190   typedef ImageRegionIterator< TInputImage >      InputImageIterator;
00191   typedef ImageRegionConstIterator< TInputImage > InputImageConstIterator;
00192 
00194   typedef TOutputImage                          OutputImageType;
00195   typedef typename TOutputImage::Pointer        OutputImagePointer;
00196 
00198   typedef typename TOutputImage::PixelType      OutputImagePixelType;
00199 
00201   typedef typename TOutputImage::IndexType       OutputImageIndexType;
00202 
00204   typedef typename TOutputImage::OffsetType      OutputImageOffsetType;
00205 
00207   typedef ImageRegionIterator< TOutputImage >   OutputImageIterator;
00208 
00210   typedef typename TOutputImage::PixelType::VectorType OutputImageVectorType;
00211 
00213   itkStaticConstMacro(LabelImageDimension, unsigned int,
00214                       TInputImage::ImageDimension);
00215 
00217   typedef Image<unsigned short,itkGetStaticConstMacro(LabelImageDimension)> LabelImageType;
00218 
00220   typedef typename LabelImageType::Pointer LabelImagePointer;
00221 
00223   typedef typename LabelImageType::PixelType    LabelImagePixelType;
00224 
00226   typedef typename LabelImageType::IndexType       LabelImageIndexType;
00227 
00229   typedef typename LabelImageType::OffsetType      LabelImageOffsetType;
00230 
00232   typedef ImageRegionIterator< LabelImageType >  LabelImageIterator;
00233 
00235   typedef vnl_matrix<double> VecDblType;
00236 
00238   typedef KLMSegmentationBorder    BorderType;
00239 
00241   typedef KLMDynamicBorderArray<BorderType>  SegmentationBorderPtr;
00242 
00246   itkSetMacro(MaxLambda, unsigned int);
00247 
00249   itkGetMacro(MaxLambda, unsigned int);
00250 
00251 
00253   LabelImagePointer GetLabelledImage(void);
00254 
00256   void PrintAlgorithmRegionStats(void);
00257 
00259   void PrintAlgorithmBorderStats(void);
00260 
00262   void PrintAlgorithmBorderStats(bool smartBorderPointerUseFlag);
00263 
00269   virtual void CalculateInitRegionStats( int   regionRowIndex, 
00270                                          int   regionColIndex, 
00271                                          int   regionRowGridSize,
00272                                          int   regionColGridSize );
00273   
00279   virtual void CalculateInitRegionStats( int   regionRowIndex, 
00280                                          int   regionColIndex,
00281                                          int   regionSliceIndex,
00282                                          int   regionRowGridSize,
00283                                          int   regionColGridSize,
00284                                          int   regionSliceGridSize );
00285 
00286 protected:
00287   KLMRegionGrowImageFilter();
00288   ~KLMRegionGrowImageFilter();
00289   void PrintSelf(std::ostream& os, Indent indent) const;
00290 
00291   virtual void GenerateData();
00292   virtual void GenerateInputRequestedRegion();
00293   virtual void EnlargeOutputRequestedRegion( DataObject * );
00294   virtual void GenerateOutputInformation();
00295 
00298   void ApplyRegionGrowImageFilter();
00299 
00306   virtual void MergeRegions();
00307 
00309   void GenerateOutputImage(unsigned int imgWidth,
00310                            unsigned int imgHeight);
00311 
00313   void GenerateOutputImage(unsigned int imgWidth,
00314                            unsigned int imgHeight,
00315                            unsigned int imgDepth);
00316 
00317 
00319   void ApplyKLM();
00320 
00322   void InitializeKLM(unsigned int imgWidth, 
00323                      unsigned int imgHeight);
00324 
00326   void InitializeKLM(unsigned int imgWidth,
00327                      unsigned int imgHeight,
00328                      unsigned int imgDepth );
00329 
00331   LabelImagePointer localfn_generate_labeled2Dimage(
00332     LabelImageType *labelImagePtr );
00333 
00335   LabelImagePointer localfn_generate_labeled3Dimage(
00336     LabelImageType *labelImagePtr );
00337 
00338 private:
00339   KLMRegionGrowImageFilter(const Self&); //purposely not implemented
00340   void operator=(const Self&); //purposely not implemented
00341   
00342   typedef typename TInputImage::SizeType InputImageSize;
00343   typedef typename KLMSegmentationRegion::Pointer  KLMSegmentationRegionPtr;
00344 
00345   typedef typename KLMSegmentationBorder::Pointer  KLMSegmentationBorderPtr;
00346 
00349   typedef std::vector< SegmentationBorderPtr > BordersDynamicPointerType;
00350 
00352   typedef BordersDynamicPointerType::iterator BordersDynamicPointerIterator;
00353 
00354 
00355   unsigned int     m_MaxLambda;
00356   unsigned int     m_NumberOfBorders;
00357   unsigned int     m_NumRegions;
00358   unsigned int     m_InitRegionArea;
00359   SegmentationBorderPtr *m_BordersCandidateDynamicPointer;
00360   SegmentationBorder *m_BordersCandidatePointer;
00361   unsigned int     m_ImgWidth;
00362   unsigned int     m_ImgHeight;
00363   unsigned int     m_ImgDepth;
00364 
00365   unsigned int     m_TotalBorderLength;
00366   double           m_RegionLambda;
00367 
00368   VecDblType       m_InitRegionMean;
00369 
00370 
00371   std::vector< KLMSegmentationRegionPtr >      m_RegionsPointer;
00372   std::vector< KLMSegmentationBorderPtr >      m_BordersPointer;
00373   std::vector< SegmentationBorderPtr >         m_BordersDynamicPointer;
00374 
00375 
00379   void UnionBorders(KLMSegmentationRegion *pRegion1,
00380                     KLMSegmentationRegion *pRegion2);
00381   
00385   void UpdateBordersDynamicPointer();
00386 
00389   void ResolveRegionLabels(unsigned int imgWidth, 
00390                            unsigned int imgHeight);
00391 
00394   void ResolveRegionLabels(unsigned int imgWidth, 
00395                            unsigned int imgHeight,
00396                            unsigned int imgDepth);
00397                                     
00398 }; // class KLMRegionGrowImageFilter
00399 
00400 } // namespace itk
00401 
00402 #ifndef ITK_MANUAL_INSTANTIATION
00403 #include "itkKLMRegionGrowImageFilter.txx"
00404 #endif
00405 
00406 
00407 
00408 #endif

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