itkAdvancedMeanSquaresImageToImageMetric.h

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 *  you may not use this file except in compliance with the License.
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#ifndef __itkAdvancedMeanSquaresImageToImageMetric_h
#define __itkAdvancedMeanSquaresImageToImageMetric_h
 
#include "itkAdvancedImageToImageMetric.h"
 
#include "itkSmoothingRecursiveGaussianImageFilter.h"   // needed for SelfHessian
#include "itkImageGridSampler.h"                        // needed for SelfHessian
#include "itkNearestNeighborInterpolateImageFunction.h" // needed for SelfHessian
 
namespace itk
{
 
template< class TFixedImage, class TMovingImage >
class AdvancedMeanSquaresImageToImageMetric :
  public AdvancedImageToImageMetric< TFixedImage, TMovingImage >
{
public:
 
  typedef AdvancedMeanSquaresImageToImageMetric Self;
  typedef AdvancedImageToImageMetric<
    TFixedImage, TMovingImage >                   Superclass;
  typedef SmartPointer< Self >       Pointer;
  typedef SmartPointer< const Self > ConstPointer;
 
  itkNewMacro( Self );
 
  itkTypeMacro( AdvancedMeanSquaresImageToImageMetric, AdvancedImageToImageMetric );
 
  typedef typename
    Superclass::CoordinateRepresentationType CoordinateRepresentationType;
  typedef typename Superclass::MovingImageType            MovingImageType;
  typedef typename Superclass::MovingImagePixelType       MovingImagePixelType;
  typedef typename Superclass::MovingImageConstPointer    MovingImageConstPointer;
  typedef typename Superclass::FixedImageType             FixedImageType;
  typedef typename Superclass::FixedImageConstPointer     FixedImageConstPointer;
  typedef typename Superclass::FixedImageRegionType       FixedImageRegionType;
  typedef typename Superclass::TransformType              TransformType;
  typedef typename Superclass::TransformPointer           TransformPointer;
  typedef typename Superclass::InputPointType             InputPointType;
  typedef typename Superclass::OutputPointType            OutputPointType;
  typedef typename Superclass::TransformParametersType    TransformParametersType;
  typedef typename Superclass::TransformJacobianType      TransformJacobianType;
  typedef typename Superclass::NumberOfParametersType     NumberOfParametersType;
  typedef typename Superclass::InterpolatorType           InterpolatorType;
  typedef typename Superclass::InterpolatorPointer        InterpolatorPointer;
  typedef typename Superclass::RealType                   RealType;
  typedef typename Superclass::GradientPixelType          GradientPixelType;
  typedef typename Superclass::GradientImageType          GradientImageType;
  typedef typename Superclass::GradientImagePointer       GradientImagePointer;
  typedef typename Superclass::GradientImageFilterType    GradientImageFilterType;
  typedef typename Superclass::GradientImageFilterPointer GradientImageFilterPointer;
  typedef typename Superclass::FixedImageMaskType         FixedImageMaskType;
  typedef typename Superclass::FixedImageMaskPointer      FixedImageMaskPointer;
  typedef typename Superclass::MovingImageMaskType        MovingImageMaskType;
  typedef typename Superclass::MovingImageMaskPointer     MovingImageMaskPointer;
  typedef typename Superclass::MeasureType                MeasureType;
  typedef typename Superclass::DerivativeType             DerivativeType;
  typedef typename Superclass::DerivativeValueType        DerivativeValueType;
  typedef typename Superclass::ParametersType             ParametersType;
  typedef typename Superclass::FixedImagePixelType        FixedImagePixelType;
  typedef typename Superclass::MovingImageRegionType      MovingImageRegionType;
  typedef typename Superclass::ImageSamplerType           ImageSamplerType;
  typedef typename Superclass::ImageSamplerPointer        ImageSamplerPointer;
  typedef typename Superclass::ImageSampleContainerType   ImageSampleContainerType;
  typedef typename
    Superclass::ImageSampleContainerPointer ImageSampleContainerPointer;
  typedef typename Superclass::FixedImageLimiterType  FixedImageLimiterType;
  typedef typename Superclass::MovingImageLimiterType MovingImageLimiterType;
  typedef typename
    Superclass::FixedImageLimiterOutputType FixedImageLimiterOutputType;
  typedef typename
    Superclass::MovingImageLimiterOutputType MovingImageLimiterOutputType;
  typedef typename
    Superclass::MovingImageDerivativeScalesType MovingImageDerivativeScalesType;
  typedef typename Superclass::HessianValueType HessianValueType;
  typedef typename Superclass::HessianType      HessianType;
  typedef typename Superclass::ThreaderType     ThreaderType;
  typedef typename Superclass::ThreadInfoType   ThreadInfoType;
 
  typedef typename Superclass::FixedImageMaskSpatialObject2Type    FixedImageMaskSpatialObject2Type;
  typedef typename Superclass::MovingImageMaskSpatialObject2Type   MovingImageMaskSpatialObject2Type;
 
  itkStaticConstMacro( FixedImageDimension, unsigned int,
    FixedImageType::ImageDimension );
 
  itkStaticConstMacro( MovingImageDimension, unsigned int,
    MovingImageType::ImageDimension );
 
  virtual MeasureType GetValueSingleThreaded( const TransformParametersType & parameters ) const;
 
  MeasureType GetValue( const TransformParametersType & parameters ) const override;
 
  void GetDerivative( const TransformParametersType & parameters,
    DerivativeType & derivative ) const override;
 
  void GetValueAndDerivativeSingleThreaded( const TransformParametersType & parameters,
    MeasureType & value, DerivativeType & derivative ) const;
 
  void GetValueAndDerivative( const TransformParametersType & parameters,
    MeasureType & value, DerivativeType & derivative ) const override;
 
  void GetSelfHessian( const TransformParametersType & parameters, HessianType & H ) const override;
 
  itkSetMacro( SelfHessianSmoothingSigma, double );
  itkGetConstMacro( SelfHessianSmoothingSigma, double );
 
  itkSetMacro( SelfHessianNoiseRange, double );
  itkGetConstMacro( SelfHessianNoiseRange, double );
 
  itkSetMacro( NumberOfSamplesForSelfHessian, unsigned int );
  itkGetConstMacro( NumberOfSamplesForSelfHessian, unsigned int );
 
  void Initialize( void ) override;
 
  itkSetMacro( UseNormalization, bool );
  itkGetConstMacro( UseNormalization, bool );
 
  itkSetMacro( UseOpenMP, bool );
 
protected:
 
  AdvancedMeanSquaresImageToImageMetric();
  ~AdvancedMeanSquaresImageToImageMetric() override{}
 
  void PrintSelf( std::ostream & os, Indent indent ) const override;
 
  typedef typename Superclass::FixedImageIndexType                 FixedImageIndexType;
  typedef typename Superclass::FixedImageIndexValueType            FixedImageIndexValueType;
  typedef typename Superclass::MovingImageIndexType                MovingImageIndexType;
  typedef typename Superclass::FixedImagePointType                 FixedImagePointType;
  typedef typename Superclass::MovingImagePointType                MovingImagePointType;
  typedef typename Superclass::MovingImageContinuousIndexType      MovingImageContinuousIndexType;
  typedef typename Superclass::BSplineInterpolatorType             BSplineInterpolatorType;
  typedef typename Superclass::CentralDifferenceGradientFilterType CentralDifferenceGradientFilterType;
  typedef typename Superclass::MovingImageDerivativeType           MovingImageDerivativeType;
  typedef typename Superclass::NonZeroJacobianIndicesType          NonZeroJacobianIndicesType;
 
  typedef SmoothingRecursiveGaussianImageFilter<
    FixedImageType, FixedImageType >                               SmootherType;
  typedef BSplineInterpolateImageFunction<
    FixedImageType, CoordinateRepresentationType >                 FixedImageInterpolatorType;
  typedef NearestNeighborInterpolateImageFunction<
    FixedImageType, CoordinateRepresentationType >                 DummyFixedImageInterpolatorType;
  typedef ImageGridSampler< FixedImageType >                       SelfHessianSamplerType;
 
  double m_NormalizationFactor;
 
  void UpdateValueAndDerivativeTerms(
    const RealType fixedImageValue,
    const RealType movingImageValue,
    const DerivativeType & imageJacobian,
    const NonZeroJacobianIndicesType & nzji,
    MeasureType & measure,
    DerivativeType & deriv ) const;
 
  void UpdateSelfHessianTerms(
    const DerivativeType & imageJacobian,
    const NonZeroJacobianIndicesType & nzji,
    HessianType & H ) const;
 
  inline void ThreadedGetValue( ThreadIdType threadID ) override;
 
  inline void AfterThreadedGetValue( MeasureType & value ) const override;
 
  inline void ThreadedGetValueAndDerivative( ThreadIdType threadID ) override;
 
  inline void AfterThreadedGetValueAndDerivative(
    MeasureType & value, DerivativeType & derivative ) const override;
 
private:
 
  AdvancedMeanSquaresImageToImageMetric( const Self & ); // purposely not implemented
  void operator=( const Self & );                        // purposely not implemented
 
  bool         m_UseNormalization;
  double       m_SelfHessianSmoothingSigma;
  double       m_SelfHessianNoiseRange;
  unsigned int m_NumberOfSamplesForSelfHessian;
 
};
 
} // end namespace itk
 
#ifndef ITK_MANUAL_INSTANTIATION
#include "itkAdvancedMeanSquaresImageToImageMetric.hxx"
#endif
 
#endif // end #ifndef __itkAdvancedMeanSquaresImageToImageMetric_h