itkLevelSetEvolution.h

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#ifndef __itkLevelSetEvolution_h
#define __itkLevelSetEvolution_h

#include "itkLevelSetEvolutionBase.h"
#include "itkLevelSetDenseImageBase.h"

#include "itkWhitakerSparseLevelSetImage.h"
#include "itkUpdateWhitakerSparseLevelSet.h"

#include "itkShiSparseLevelSetImage.h"
#include "itkUpdateShiSparseLevelSet.h"

#include "itkMalcolmSparseLevelSetImage.h"
#include "itkUpdateMalcolmSparseLevelSet.h"

#include "itkLevelSetEvolutionComputeIterationThreader.h"
#include "itkLevelSetEvolutionUpdateLevelSetsThreader.h"

namespace itk
{
template< class TEquationContainer, class TLevelSet >
class LevelSetEvolution
{};

template< class TEquationContainer, class TImage >
class LevelSetEvolution<  TEquationContainer,
                          LevelSetDenseImageBase< TImage > > :
  public LevelSetEvolutionBase< TEquationContainer, LevelSetDenseImageBase< TImage > >
{
public:
  typedef LevelSetDenseImageBase< TImage > LevelSetType;

  typedef LevelSetEvolution                                         Self;
  typedef SmartPointer< Self >                                      Pointer;
  typedef SmartPointer< const Self >                                ConstPointer;
  typedef LevelSetEvolutionBase< TEquationContainer, LevelSetType > Superclass;

  itkNewMacro( Self );

  itkTypeMacro( LevelSetEvolution, LevelSetEvolutionBase );

  typedef typename Superclass::EquationContainerType    EquationContainerType;
  typedef typename Superclass::EquationContainerPointer EquationContainerPointer;
  typedef typename Superclass::TermContainerType        TermContainerType;
  typedef typename Superclass::TermContainerPointer     TermContainerPointer;

  typedef typename Superclass::TermType     TermType;
  typedef typename Superclass::TermPointer  TermPointer;

  typedef typename Superclass::InputImageType         InputImageType;
  typedef typename Superclass::InputImagePixelType    InputImagePixelType;
  typedef typename Superclass::InputImageConstPointer InputImageConstPointer;
  typedef typename Superclass::InputImageRegionType   InputImageRegionType;
  typedef typename Superclass::InputPixelRealType     InputPixelRealType;

  itkStaticConstMacro ( ImageDimension, unsigned int, Superclass::ImageDimension );

  typedef typename Superclass::LevelSetContainerType    LevelSetContainerType;

  typedef typename Superclass::LevelSetIdentifierType   LevelSetIdentifierType;

  typedef typename LevelSetType::ImageType        LevelSetImageType;

  typedef typename Superclass::LevelSetOutputType     LevelSetOutputType;
  typedef typename Superclass::LevelSetOutputRealType LevelSetOutputRealType;
  typedef typename Superclass::LevelSetDataType       LevelSetDataType;

  typedef typename Superclass::IdListType                   IdListType;
  typedef typename Superclass::IdListIterator               IdListIterator;
  typedef typename Superclass::IdListConstIterator          IdListConstIterator;
  typedef typename Superclass::IdListImageType              IdListImageType;
  typedef typename Superclass::CacheImageType               CacheImageType;
  typedef typename Superclass::DomainMapImageFilterType     DomainMapImageFilterType;

  typedef typename Superclass::StoppingCriterionType    StoppingCriterionType;
  typedef typename Superclass::StoppingCriterionPointer StoppingCriterionPointer;

  typedef BinaryThresholdImageFilter< LevelSetImageType, LevelSetImageType >  ThresholdFilterType;
  typedef typename ThresholdFilterType::Pointer                               ThresholdFilterPointer;

  typedef SignedMaurerDistanceMapImageFilter< LevelSetImageType, LevelSetImageType >  MaurerType;
  typedef typename MaurerType::Pointer                                                MaurerPointer;

  typedef ImageRegionIteratorWithIndex< LevelSetImageType > LevelSetImageIteratorType;

  typedef ImageRegionConstIteratorWithIndex< LevelSetImageType > LevelSetImageConstIteratorType;

  typedef ImageRegionConstIteratorWithIndex< InputImageType > InputImageConstIteratorType;

protected:
  LevelSetEvolution();
  ~LevelSetEvolution();

  virtual void AllocateUpdateBuffer();

  virtual void ComputeIteration();

  virtual void ComputeTimeStepForNextIteration();

  virtual void UpdateLevelSets();

  virtual void UpdateEquations();

  void ReinitializeToSignedDistance();

  typename LevelSetContainerType::Pointer    m_UpdateBuffer;

  friend class LevelSetEvolutionComputeIterationThreader< LevelSetType, ThreadedImageRegionPartitioner< TImage::ImageDimension >, Self >;
  typedef LevelSetEvolutionComputeIterationThreader< LevelSetType, ThreadedImageRegionPartitioner< TImage::ImageDimension >, Self > SplitLevelSetComputeIterationThreaderType;
  typename SplitLevelSetComputeIterationThreaderType::Pointer m_SplitLevelSetComputeIterationThreader;

  friend class LevelSetEvolutionUpdateLevelSetsThreader< LevelSetType, ThreadedImageRegionPartitioner< TImage::ImageDimension >, Self >;
  typedef LevelSetEvolutionUpdateLevelSetsThreader< LevelSetType, ThreadedImageRegionPartitioner< TImage::ImageDimension >, Self > SplitLevelSetUpdateLevelSetsThreaderType;
  typename SplitLevelSetUpdateLevelSetsThreaderType::Pointer m_SplitLevelSetUpdateLevelSetsThreader;

  const IdListType * m_IdListToProcessWhenThreading;
};


template< class TEquationContainer, typename TOutput, unsigned int VDimension >
class LevelSetEvolution<
TEquationContainer,
  WhitakerSparseLevelSetImage< TOutput, VDimension > > :
  public LevelSetEvolutionBase<
  TEquationContainer,
  WhitakerSparseLevelSetImage< TOutput, VDimension > >
{
public:
  typedef WhitakerSparseLevelSetImage< TOutput, VDimension > LevelSetType;

  typedef LevelSetEvolution                                         Self;
  typedef SmartPointer< Self >                                      Pointer;
  typedef SmartPointer< const Self >                                ConstPointer;
  typedef LevelSetEvolutionBase< TEquationContainer, LevelSetType > Superclass;

  itkNewMacro( Self );

  itkTypeMacro( LevelSetEvolution, LevelSetEvolutionBase );

  typedef typename Superclass::EquationContainerType    EquationContainerType;
  typedef typename Superclass::EquationContainerPointer EquationContainerPointer;
  typedef typename Superclass::TermContainerType        TermContainerType;
  typedef typename Superclass::TermContainerPointer     TermContainerPointer;

  typedef typename Superclass::TermType     TermType;
  typedef typename Superclass::TermPointer  TermPointer;

  typedef typename Superclass::InputImageType         InputImageType;
  typedef typename Superclass::InputImagePixelType    InputImagePixelType;
  typedef typename Superclass::InputImageConstPointer InputImageConstPointer;
  typedef typename Superclass::InputImageRegionType   InputImageRegionType;
  typedef typename Superclass::InputPixelRealType     InputPixelRealType;

  itkStaticConstMacro ( ImageDimension, unsigned int, Superclass::ImageDimension );

  typedef typename Superclass::LevelSetContainerType    LevelSetContainerType;
  typedef typename Superclass::LevelSetIdentifierType   LevelSetIdentifierType;

  typedef typename Superclass::LevelSetInputType      LevelSetInputType;
  typedef typename Superclass::LevelSetOutputType     LevelSetOutputType;
  typedef typename Superclass::LevelSetOutputRealType LevelSetOutputRealType;
  typedef typename Superclass::LevelSetDataType       LevelSetDataType;

  typedef typename LevelSetType::LayerType             LevelSetLayerType;
  typedef typename LevelSetType::LayerIterator         LevelSetLayerIterator;

  typedef typename LevelSetType::LabelMapType          LevelSetLabelMapType;
  typedef typename LevelSetType::LabelMapPointer       LevelSetLabelMapPointer;


  typedef typename Superclass::IdListType                   IdListType;
  typedef typename Superclass::IdListIterator               IdListIterator;
  typedef typename Superclass::IdListImageType              IdListImageType;
  typedef typename Superclass::CacheImageType               CacheImageType;
  typedef typename Superclass::DomainMapImageFilterType     DomainMapImageFilterType;

  typedef typename Superclass::StoppingCriterionType    StoppingCriterionType;
  typedef typename Superclass::StoppingCriterionPointer StoppingCriterionPointer;

  typedef ImageRegionConstIteratorWithIndex< InputImageType > InputImageConstIteratorType;

  typedef UpdateWhitakerSparseLevelSet< ImageDimension, LevelSetOutputType, EquationContainerType > UpdateLevelSetFilterType;
  typedef typename UpdateLevelSetFilterType::Pointer                                                UpdateLevelSetFilterPointer;

protected:
  LevelSetEvolution();
  ~LevelSetEvolution();

  typedef std::pair< LevelSetInputType, LevelSetOutputType > NodePairType;

  // For sparse case, the update buffer needs to be the size of the active layer
  std::map< IdentifierType, LevelSetLayerType* >  m_UpdateBuffer;

  virtual void AllocateUpdateBuffer();

  virtual void ComputeIteration();

  virtual void ComputeTimeStepForNextIteration();

  virtual void UpdateLevelSets();

  virtual void UpdateEquations();

private:
  LevelSetEvolution( const Self& );
  void operator = ( const Self& );
};


// Shi
template< class TEquationContainer, unsigned int VDimension >
class LevelSetEvolution<
    TEquationContainer,
    ShiSparseLevelSetImage< VDimension > > :
public LevelSetEvolutionBase< TEquationContainer, ShiSparseLevelSetImage< VDimension > >
{
public:
  typedef ShiSparseLevelSetImage< VDimension > LevelSetType;

  typedef LevelSetEvolution                                         Self;
  typedef SmartPointer< Self >                                      Pointer;
  typedef SmartPointer< const Self >                                ConstPointer;
  typedef LevelSetEvolutionBase< TEquationContainer, LevelSetType > Superclass;

  itkNewMacro( Self );

  itkTypeMacro( LevelSetEvolution, LevelSetEvolutionBase );

  typedef typename Superclass::EquationContainerType    EquationContainerType;
  typedef typename Superclass::EquationContainerPointer EquationContainerPointer;
  typedef typename Superclass::TermContainerType        TermContainerType;
  typedef typename Superclass::TermContainerPointer     TermContainerPointer;

  typedef typename Superclass::TermType     TermType;
  typedef typename Superclass::TermPointer  TermPointer;

  typedef typename Superclass::InputImageType         InputImageType;
  typedef typename Superclass::InputImagePixelType    InputImagePixelType;
  typedef typename Superclass::InputImageConstPointer InputImageConstPointer;
  typedef typename Superclass::InputImageRegionType   InputImageRegionType;
  typedef typename Superclass::InputPixelRealType     InputPixelRealType;

  itkStaticConstMacro ( ImageDimension, unsigned int, Superclass::ImageDimension );

  typedef typename Superclass::LevelSetContainerType    LevelSetContainerType;
  typedef typename Superclass::LevelSetIdentifierType   LevelSetIdentifierType;

  typedef typename Superclass::LevelSetInputType      LevelSetInputType;
  typedef typename Superclass::LevelSetOutputType     LevelSetOutputType;
  typedef typename Superclass::LevelSetOutputRealType LevelSetOutputRealType;
  typedef typename Superclass::LevelSetDataType       LevelSetDataType;

  typedef typename LevelSetType::LayerType             LevelSetLayerType;
  typedef typename LevelSetType::LayerIterator         LevelSetLayerIterator;

  typedef typename LevelSetType::LabelMapType          LevelSetLabelMapType;
  typedef typename LevelSetType::LabelMapPointer       LevelSetLabelMapPointer;


  typedef typename Superclass::IdListType                   IdListType;
  typedef typename Superclass::IdListIterator               IdListIterator;
  typedef typename Superclass::IdListImageType              IdListImageType;
  typedef typename Superclass::CacheImageType               CacheImageType;
  typedef typename Superclass::DomainMapImageFilterType     DomainMapImageFilterType;

  typedef typename Superclass::StoppingCriterionType    StoppingCriterionType;
  typedef typename Superclass::StoppingCriterionPointer StoppingCriterionPointer;

  typedef ImageRegionConstIteratorWithIndex< InputImageType > InputImageConstIteratorType;

  typedef UpdateShiSparseLevelSet< ImageDimension, EquationContainerType >  UpdateLevelSetFilterType;
  typedef typename UpdateLevelSetFilterType::Pointer                        UpdateLevelSetFilterPointer;

protected:
  LevelSetEvolution();
  ~LevelSetEvolution();

  virtual void UpdateLevelSets();

  virtual void UpdateEquations();

private:
  LevelSetEvolution( const Self& );
  void operator = ( const Self& );
};

// Malcolm
template< class TEquationContainer, unsigned int VDimension >
class LevelSetEvolution< TEquationContainer,
    MalcolmSparseLevelSetImage< VDimension > > :
public LevelSetEvolutionBase< TEquationContainer, MalcolmSparseLevelSetImage< VDimension > >
{
public:
  typedef MalcolmSparseLevelSetImage< VDimension > LevelSetType;

  typedef LevelSetEvolution                                         Self;
  typedef SmartPointer< Self >                                      Pointer;
  typedef SmartPointer< const Self >                                ConstPointer;
  typedef LevelSetEvolutionBase< TEquationContainer, LevelSetType > Superclass;

  itkNewMacro( Self );

  itkTypeMacro( LevelSetEvolution, LevelSetEvolutionBase );

  typedef typename Superclass::EquationContainerType    EquationContainerType;
  typedef typename Superclass::EquationContainerPointer EquationContainerPointer;
  typedef typename Superclass::TermContainerType        TermContainerType;
  typedef typename Superclass::TermContainerPointer     TermContainerPointer;

  typedef typename Superclass::TermType     TermType;
  typedef typename Superclass::TermPointer  TermPointer;

  typedef typename Superclass::InputImageType         InputImageType;
  typedef typename Superclass::InputImagePixelType    InputImagePixelType;
  typedef typename Superclass::InputImageConstPointer InputImageConstPointer;
  typedef typename Superclass::InputImageRegionType   InputImageRegionType;
  typedef typename Superclass::InputPixelRealType     InputPixelRealType;

  itkStaticConstMacro ( ImageDimension, unsigned int, Superclass::ImageDimension );

  typedef typename Superclass::LevelSetContainerType    LevelSetContainerType;
  typedef typename Superclass::LevelSetIdentifierType   LevelSetIdentifierType;

  typedef typename Superclass::LevelSetInputType      LevelSetInputType;
  typedef typename Superclass::LevelSetOutputType     LevelSetOutputType;
  typedef typename Superclass::LevelSetOutputRealType LevelSetOutputRealType;
  typedef typename Superclass::LevelSetDataType       LevelSetDataType;

  typedef typename LevelSetType::LayerType             LevelSetLayerType;
  typedef typename LevelSetType::LayerIterator         LevelSetLayerIterator;

  typedef typename LevelSetType::LabelMapType          LevelSetLabelMapType;
  typedef typename LevelSetType::LabelMapPointer       LevelSetLabelMapPointer;


  typedef typename Superclass::IdListType                   IdListType;
  typedef typename Superclass::IdListIterator               IdListIterator;
  typedef typename Superclass::IdListImageType              IdListImageType;
  typedef typename Superclass::CacheImageType               CacheImageType;
  typedef typename Superclass::DomainMapImageFilterType     DomainMapImageFilterType;

  typedef typename Superclass::StoppingCriterionType    StoppingCriterionType;
  typedef typename Superclass::StoppingCriterionPointer StoppingCriterionPointer;

  typedef ImageRegionConstIteratorWithIndex< InputImageType > InputImageConstIteratorType;

  typedef UpdateMalcolmSparseLevelSet< ImageDimension, EquationContainerType > UpdateLevelSetFilterType;
  typedef typename UpdateLevelSetFilterType::Pointer UpdateLevelSetFilterPointer;

protected:
  LevelSetEvolution();
  virtual ~LevelSetEvolution();

  virtual void UpdateLevelSets();

  virtual void UpdateEquations();

private:
  LevelSetEvolution( const Self& ); // purposely not implemented
  void operator = ( const Self& );  // purposely not implemented
};
}

#ifndef ITK_MANUAL_INSTANTIATION
#include "itkLevelSetEvolution.hxx"
#endif

#endif // __itkLevelSetEvolution_h