itkSumSquaredTissueVolumeDifferenceImageToImageMetric.h

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 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
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#ifndef itkSumSquaredTissueVolumeDifferenceImageToImageMetric_h
#define itkSumSquaredTissueVolumeDifferenceImageToImageMetric_h
 
#include "itkAdvancedImageToImageMetric.h"
 
namespace itk
{

 
template <typename TFixedImage, typename TMovingImage>
class ITK_TEMPLATE_EXPORT SumSquaredTissueVolumeDifferenceImageToImageMetric
  : public AdvancedImageToImageMetric<TFixedImage, TMovingImage>
{
public:
  ITK_DISALLOW_COPY_AND_MOVE(SumSquaredTissueVolumeDifferenceImageToImageMetric);

  using Self = SumSquaredTissueVolumeDifferenceImageToImageMetric;
  using Superclass = AdvancedImageToImageMetric<TFixedImage, TMovingImage>;
  using Pointer = SmartPointer<Self>;
  using ConstPointer = SmartPointer<const Self>;

  itkNewMacro(Self);

  itkOverrideGetNameOfClassMacro(SumSquaredTissueVolumeDifferenceImageToImageMetric);

  using typename Superclass::CoordinateRepresentationType;
  using typename Superclass::MovingImageType;
  using typename Superclass::MovingImagePixelType;
  using typename Superclass::MovingImageConstPointer;
  using typename Superclass::FixedImageType;
  using typename Superclass::FixedImageConstPointer;
  using typename Superclass::FixedImageRegionType;
  using typename Superclass::InputPointType;
  using typename Superclass::OutputPointType;
  using typename Superclass::TransformJacobianType;
  using typename Superclass::InterpolatorType;
  using typename Superclass::InterpolatorPointer;
  using typename Superclass::RealType;
  using typename Superclass::GradientPixelType;
  using typename Superclass::GradientImageType;
  using typename Superclass::GradientImagePointer;
  using typename Superclass::FixedImageMaskType;
  using typename Superclass::FixedImageMaskPointer;
  using typename Superclass::MovingImageMaskType;
  using typename Superclass::MovingImageMaskPointer;
  using typename Superclass::MeasureType;
  using typename Superclass::DerivativeType;
  using typename Superclass::DerivativeValueType;
  using typename Superclass::ParametersType;
  using typename Superclass::FixedImagePixelType;
  using typename Superclass::MovingImageRegionType;
  using typename Superclass::ImageSamplerType;
  using typename Superclass::ImageSamplerPointer;
  using typename Superclass::ImageSampleContainerType;
  using typename Superclass::ImageSampleContainerPointer;
  using typename Superclass::FixedImageLimiterType;
  using typename Superclass::MovingImageLimiterType;
  using typename Superclass::FixedImageLimiterOutputType;
  using typename Superclass::MovingImageLimiterOutputType;
  using typename Superclass::MovingImageDerivativeScalesType;

  using TransformType = typename Superclass::AdvancedTransformType;
  using SpatialJacobianType = typename TransformType::SpatialJacobianType;
  using JacobianOfSpatialJacobianType = typename TransformType::JacobianOfSpatialJacobianType;
  using SpatialHessianType = typename TransformType::SpatialHessianType;
  using JacobianOfSpatialHessianType = typename TransformType::JacobianOfSpatialHessianType;
  using InternalMatrixType = typename TransformType::InternalMatrixType;

  itkStaticConstMacro(FixedImageDimension, unsigned int, FixedImageType::ImageDimension);

  itkStaticConstMacro(MovingImageDimension, unsigned int, MovingImageType::ImageDimension);

  virtual MeasureType
  GetValueSingleThreaded(const ParametersType & parameters) const;
 
  MeasureType
  GetValue(const ParametersType & parameters) const override;

  void
  GetDerivative(const ParametersType & parameters, DerivativeType & derivative) const override;

  void
  GetValueAndDerivative(const ParametersType & parameters,
                        MeasureType &          Value,
                        DerivativeType &       Derivative) const override;

  void
  GetValueAndDerivativeSingleThreaded(const ParametersType & parameters,
                                      MeasureType &          measure,
                                      DerivativeType &       derivative) const;

  itkSetMacro(AirValue, RealType);
  itkGetConstMacro(AirValue, RealType);

  itkSetMacro(TissueValue, RealType);
  itkGetConstMacro(TissueValue, RealType);
 
protected:
  SumSquaredTissueVolumeDifferenceImageToImageMetric();
  ~SumSquaredTissueVolumeDifferenceImageToImageMetric() override = default;
 
  void
  PrintSelf(std::ostream & os, Indent indent) const override;


  using typename Superclass::FixedImageIndexType;
  using typename Superclass::FixedImageIndexValueType;
  using typename Superclass::MovingImageIndexType;
  using typename Superclass::FixedImagePointType;
  using typename Superclass::MovingImagePointType;
  using typename Superclass::MovingImageContinuousIndexType;
  using typename Superclass::BSplineInterpolatorType;
  using typename Superclass::MovingImageDerivativeType;
  using typename Superclass::NonZeroJacobianIndicesType;

  void
  EvaluateTransformJacobianInnerProduct(const TransformJacobianType &     jacobian,
                                        const MovingImageDerivativeType & movingImageDerivative,
                                        DerivativeType &                  imageJacobian) const override;

  void
  UpdateValueAndDerivativeTerms(const RealType                     fixedImageValue,
                                const RealType                     movingImageValue,
                                const DerivativeType &             imageJacobian,
                                const NonZeroJacobianIndicesType & nzji,
                                const RealType                     spatialJacobianDeterminant,
                                const DerivativeType &             jacobianOfSpatialJacobianDeterminant,
                                MeasureType &                      measure,
                                DerivativeType &                   deriv) const;

  void
  EvaluateJacobianOfSpatialJacobianDeterminantInnerProduct(
    const JacobianOfSpatialJacobianType & jacobianOfSpatialJacobian,
    const SpatialJacobianType &           inverseSpatialJacobian,
    DerivativeType &                      jacobianOfSpatialJacobianDeterminant) const;

  void
  ThreadedGetValue(ThreadIdType threadID) const override;

  void
  AfterThreadedGetValue(MeasureType & value) const override;

  void
  ThreadedGetValueAndDerivative(ThreadIdType threadId) const override;

  void
  AfterThreadedGetValueAndDerivative(MeasureType & measure, DerivativeType & derivative) const override;
 
private:
  RealType m_AirValue{ -1000.0 };

  RealType m_TissueValue{ 55.0 };
 
}; // end class SumSquaredTissueVolumeDifferenceImageToImageMetric
 
} // end namespace itk
 
#ifndef ITK_MANUAL_INSTANTIATION
#  include "itkSumSquaredTissueVolumeDifferenceImageToImageMetric.hxx"
#endif
 
#endif // end #ifndef itkSumSquaredTissueVolumeDifferenceImageToImageMetric_h