itkParzenWindowNormalizedMutualInformationImageToImageMetric.h

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 *  Copyright UMC Utrecht and contributors
 *
 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
 *  You may obtain a copy of the License at
 *
 *        http://www.apache.org/licenses/LICENSE-2.0.txt
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 *  distributed under the License is distributed on an "AS IS" BASIS,
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 *  See the License for the specific language governing permissions and
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#ifndef __itkParzenWindowNormalizedMutualInformationImageToImageMetric_H__
#define __itkParzenWindowNormalizedMutualInformationImageToImageMetric_H__
 
#include "itkParzenWindowHistogramImageToImageMetric.h"
 
namespace itk
{
 
template< class TFixedImage, class TMovingImage >
class ParzenWindowNormalizedMutualInformationImageToImageMetric :
  public ParzenWindowHistogramImageToImageMetric< TFixedImage, TMovingImage >
{
public:
 
  typedef ParzenWindowNormalizedMutualInformationImageToImageMetric Self;
  typedef ParzenWindowHistogramImageToImageMetric<
    TFixedImage, TMovingImage >                                       Superclass;
  typedef SmartPointer< Self >       Pointer;
  typedef SmartPointer< const Self > ConstPointer;
 
  itkNewMacro( Self );
 
  itkTypeMacro(
    ParzenWindowNormalizedMutualInformationImageToImageMetric,
    ParzenWindowHistogramImageToImageMetric );
 
  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::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::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;
 
  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() {}
 
  ~ParzenWindowNormalizedMutualInformationImageToImageMetric() 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::PDFValueType                        PDFValueType;
  typedef typename Superclass::MarginalPDFType                     MarginalPDFType;
  typedef typename Superclass::JointPDFType                        JointPDFType;
  typedef typename Superclass::JointPDFDerivativesType             JointPDFDerivativesType;
  typedef typename Superclass::IncrementalMarginalPDFType          IncrementalMarginalPDFType;
  typedef typename Superclass::JointPDFIndexType                   JointPDFIndexType;
  typedef typename Superclass::JointPDFRegionType                  JointPDFRegionType;
  typedef typename Superclass::JointPDFSizeType                    JointPDFSizeType;
  typedef typename Superclass::JointPDFDerivativesIndexType        JointPDFDerivativesIndexType;
  typedef typename Superclass::JointPDFDerivativesRegionType       JointPDFDerivativesRegionType;
  typedef typename Superclass::JointPDFDerivativesSizeType         JointPDFDerivativesSizeType;
  typedef typename Superclass::ParzenValueContainerType            ParzenValueContainerType;
  typedef typename Superclass::KernelFunctionType                  KernelFunctionType;
  typedef typename Superclass::NonZeroJacobianIndicesType          NonZeroJacobianIndicesType;
 
  virtual void ComputeLogMarginalPDF( MarginalPDFType & pdf ) const;
 
  virtual MeasureType ComputeNormalizedMutualInformation( MeasureType & jointEntropy ) const;
 
private:
 
  ParzenWindowNormalizedMutualInformationImageToImageMetric( const Self & );  // purposely not implemented
  void operator=( const Self & );                               // purposely not implemented
 
};
 
} // end namespace itk
 
#ifndef ITK_MANUAL_INSTANTIATION
#include "itkParzenWindowNormalizedMutualInformationImageToImageMetric.hxx"
#endif
 
#endif // end #ifndef __itkParzenWindowNormalizedMutualInformationImageToImageMetric_H__