itkAdvancedMeanSquaresImageToImageMetric.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
 *
 *  Unless required by applicable law or agreed to in writing, software
 *  distributed under the License is distributed on an "AS IS" BASIS,
 *  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 *  See the License for the specific language governing permissions and
 *  limitations under the License.
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#ifndef itkAdvancedMeanSquaresImageToImageMetric_h
#define itkAdvancedMeanSquaresImageToImageMetric_h
 
#include "itkAdvancedImageToImageMetric.h"
 
namespace itk
{
 
template <class TFixedImage, class TMovingImage>
class ITK_TEMPLATE_EXPORT AdvancedMeanSquaresImageToImageMetric
  : public AdvancedImageToImageMetric<TFixedImage, TMovingImage>
{
public:
  ITK_DISALLOW_COPY_AND_MOVE(AdvancedMeanSquaresImageToImageMetric);
 
  using Self = AdvancedMeanSquaresImageToImageMetric;
  using Superclass = AdvancedImageToImageMetric<TFixedImage, TMovingImage>;
  using Pointer = SmartPointer<Self>;
  using ConstPointer = SmartPointer<const Self>;
 
  itkNewMacro(Self);
 
  itkTypeMacro(AdvancedMeanSquaresImageToImageMetric, AdvancedImageToImageMetric);
 
  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::TransformParametersType;
  using typename Superclass::TransformJacobianType;
  using typename Superclass::NumberOfParametersType;
  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 typename Superclass::ThreadInfoType;
 
  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
  Initialize() override;
 
  itkSetMacro(UseNormalization, bool);
  itkGetConstMacro(UseNormalization, bool);
 
protected:
  AdvancedMeanSquaresImageToImageMetric();
  ~AdvancedMeanSquaresImageToImageMetric() 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
  UpdateValueAndDerivativeTerms(const RealType                     fixedImageValue,
                                const RealType                     movingImageValue,
                                const DerivativeType &             imageJacobian,
                                const NonZeroJacobianIndicesType & nzji,
                                MeasureType &                      measure,
                                DerivativeType &                   deriv) const;
 
  void
  ThreadedGetValue(ThreadIdType threadID) const override;
 
  void
  AfterThreadedGetValue(MeasureType & value) const override;
 
  void
  ThreadedGetValueAndDerivative(ThreadIdType threadID) const override;
 
  void
  AfterThreadedGetValueAndDerivative(MeasureType & value, DerivativeType & derivative) const override;
 
private:
  double m_NormalizationFactor{ 1.0 };
  bool   m_UseNormalization{ false };
};
 
} // end namespace itk
 
#ifndef ITK_MANUAL_INSTANTIATION
#  include "itkAdvancedMeanSquaresImageToImageMetric.hxx"
#endif
 
#endif // end #ifndef itkAdvancedMeanSquaresImageToImageMetric_h