itkCorrelationImageToImageMetricv4.h

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/*=========================================================================
 *
 *  Copyright NumFOCUS
 *
 *  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
 *
 *         https://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.
 *
 *=========================================================================*/
#ifndef itkCorrelationImageToImageMetricv4_h
#define itkCorrelationImageToImageMetricv4_h
 
#include "itkImageToImageMetricv4.h"
 
#include "itkCorrelationImageToImageMetricv4GetValueAndDerivativeThreader.h"
#include "itkCorrelationImageToImageMetricv4HelperThreader.h"
 
namespace itk
{

template <typename TFixedImage,
          typename TMovingImage,
          typename TVirtualImage = TFixedImage,
          typename TInternalComputationValueType = double,
          typename TMetricTraits =
            DefaultImageToImageMetricTraitsv4<TFixedImage, TMovingImage, TVirtualImage, TInternalComputationValueType>>
class ITK_TEMPLATE_EXPORT CorrelationImageToImageMetricv4
  : public ImageToImageMetricv4<TFixedImage, TMovingImage, TVirtualImage, TInternalComputationValueType, TMetricTraits>
{
public:
  ITK_DISALLOW_COPY_AND_MOVE(CorrelationImageToImageMetricv4);

  using Self = CorrelationImageToImageMetricv4;
  using Superclass =
    ImageToImageMetricv4<TFixedImage, TMovingImage, TVirtualImage, TInternalComputationValueType, TMetricTraits>;
  using Pointer = SmartPointer<Self>;
  using ConstPointer = SmartPointer<const Self>;

  itkNewMacro(Self);

  itkOverrideGetNameOfClassMacro(CorrelationImageToImageMetricv4);

  using typename Superclass::MeasureType;
  using typename Superclass::DerivativeType;
 
  using typename Superclass::FixedImagePointType;
  using typename Superclass::FixedImagePixelType;
  using typename Superclass::FixedImageGradientType;
 
  using typename Superclass::MovingImagePointType;
  using typename Superclass::MovingImagePixelType;
  using typename Superclass::MovingImageGradientType;
 
  using typename Superclass::MovingTransformType;
  using typename Superclass::JacobianType;
  using VirtualImageType = typename Superclass::VirtualImageType;
  using typename Superclass::VirtualIndexType;
  using typename Superclass::VirtualPointType;
  using typename Superclass::VirtualPointSetType;
 
  /* Image dimension accessors */
  static constexpr typename TVirtualImage::ImageDimensionType VirtualImageDimension = TVirtualImage::ImageDimension;
  static constexpr typename TFixedImage::ImageDimensionType   FixedImageDimension = TFixedImage::ImageDimension;
  static constexpr typename TMovingImage::ImageDimensionType  MovingImageDimension = TMovingImage::ImageDimension;
 
protected:
  CorrelationImageToImageMetricv4();
  ~CorrelationImageToImageMetricv4() override = default;

  void
  InitializeForIteration() const override;
 
  friend class ImageToImageMetricv4GetValueAndDerivativeThreaderBase<
    ThreadedImageRegionPartitioner<Superclass::VirtualImageDimension>,
    Self>;
  friend class ImageToImageMetricv4GetValueAndDerivativeThreaderBase<ThreadedIndexedContainerPartitioner, Self>;
  friend class ImageToImageMetricv4GetValueAndDerivativeThreader<
    ThreadedImageRegionPartitioner<Superclass::VirtualImageDimension>,
    Self>;
  friend class ImageToImageMetricv4GetValueAndDerivativeThreader<ThreadedIndexedContainerPartitioner, Self>;
 
  friend class CorrelationImageToImageMetricv4GetValueAndDerivativeThreader<
    ThreadedImageRegionPartitioner<Superclass::VirtualImageDimension>,
    Superclass,
    Self>;
  friend class CorrelationImageToImageMetricv4GetValueAndDerivativeThreader<ThreadedIndexedContainerPartitioner,
                                                                            Superclass,
                                                                            Self>;
  using CorrelationDenseGetValueAndDerivativeThreaderType =
    CorrelationImageToImageMetricv4GetValueAndDerivativeThreader<
      ThreadedImageRegionPartitioner<Superclass::VirtualImageDimension>,
      Superclass,
      Self>;
  using CorrelationSparseGetValueAndDerivativeThreaderType =
    CorrelationImageToImageMetricv4GetValueAndDerivativeThreader<ThreadedIndexedContainerPartitioner, Superclass, Self>;
 
  friend class CorrelationImageToImageMetricv4HelperThreader<
    ThreadedImageRegionPartitioner<Superclass::VirtualImageDimension>,
    Superclass,
    Self>;
  friend class CorrelationImageToImageMetricv4HelperThreader<ThreadedIndexedContainerPartitioner, Superclass, Self>;
 
  using CorrelationHelperDenseThreaderType =
    CorrelationImageToImageMetricv4HelperThreader<ThreadedImageRegionPartitioner<Superclass::VirtualImageDimension>,
                                                  Superclass,
                                                  Self>;
  using CorrelationHelperSparseThreaderType =
    CorrelationImageToImageMetricv4HelperThreader<ThreadedIndexedContainerPartitioner, Superclass, Self>;
 
  typename CorrelationHelperDenseThreaderType::Pointer  m_HelperDenseThreader{};
  typename CorrelationHelperSparseThreaderType::Pointer m_HelperSparseThreader{};
 
  /* These values are computed during InitializeForIteration(),
   * using the helper class
   * */
  mutable MeasureType m_AverageFix{};
  mutable MeasureType m_AverageMov{};
 
  void
  PrintSelf(std::ostream & os, Indent indent) const override;
};
 
} // end namespace itk
 
#ifndef ITK_MANUAL_INSTANTIATION
#  include "itkCorrelationImageToImageMetricv4.hxx"
#endif
 
#endif