itkParzenWindowNormalizedMutualInformationImageToImageMetric.h

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 *  Copyright UMC Utrecht and contributors
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 *  you may not use this file except in compliance with the License.
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#ifndef itkParzenWindowNormalizedMutualInformationImageToImageMetric_h
#define itkParzenWindowNormalizedMutualInformationImageToImageMetric_h
 
#include "itkParzenWindowHistogramImageToImageMetric.h"
 
namespace itk
{

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

  using Self = ParzenWindowNormalizedMutualInformationImageToImageMetric;
  using Superclass = ParzenWindowHistogramImageToImageMetric<TFixedImage, TMovingImage>;
  using Pointer = SmartPointer<Self>;
  using ConstPointer = SmartPointer<const Self>;

  itkNewMacro(Self);

  itkOverrideGetNameOfClassMacro(ParzenWindowNormalizedMutualInformationImageToImageMetric);

  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::TransformType;
  using typename Superclass::TransformPointer;
  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::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;

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

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

  MeasureType
  GetValue(const ParametersType & parameters) const override;

  void
  GetValueAndDerivative(const ParametersType & parameters,
                        MeasureType &          Value,
                        DerivativeType &       Derivative) const override;
 
protected:
  ParzenWindowNormalizedMutualInformationImageToImageMetric() = default;

  ~ParzenWindowNormalizedMutualInformationImageToImageMetric() 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::PDFValueType;
  using typename Superclass::MarginalPDFType;
  using typename Superclass::JointPDFType;
  using typename Superclass::JointPDFDerivativesType;
  using typename Superclass::IncrementalMarginalPDFType;
  using typename Superclass::JointPDFIndexType;
  using typename Superclass::JointPDFRegionType;
  using typename Superclass::JointPDFSizeType;
  using typename Superclass::JointPDFDerivativesIndexType;
  using typename Superclass::JointPDFDerivativesRegionType;
  using typename Superclass::JointPDFDerivativesSizeType;
  using typename Superclass::ParzenValueContainerType;
  using typename Superclass::KernelFunctionType;
  using typename Superclass::NonZeroJacobianIndicesType;

  virtual void
  ComputeLogMarginalPDF(MarginalPDFType & pdf) const;

  virtual MeasureType
  ComputeNormalizedMutualInformation(MeasureType & jointEntropy) const;
};
 
} // end namespace itk
 
#ifndef ITK_MANUAL_INSTANTIATION
#  include "itkParzenWindowNormalizedMutualInformationImageToImageMetric.hxx"
#endif
 
#endif // end #ifndef itkParzenWindowNormalizedMutualInformationImageToImageMetric_h