elxGradientDifferenceMetric.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 elxGradientDifferenceMetric_h
#define elxGradientDifferenceMetric_h
 
#include "elxIncludes.h" // include first to avoid MSVS warning
#include "itkGradientDifferenceImageToImageMetric2.h"
 
namespace elastix
{

 
template <class TElastix>
class ITK_TEMPLATE_EXPORT GradientDifferenceMetric
  : public itk::GradientDifferenceImageToImageMetric<typename MetricBase<TElastix>::FixedImageType,
                                                     typename MetricBase<TElastix>::MovingImageType>
  , public MetricBase<TElastix>
{
public:
  ITK_DISALLOW_COPY_AND_MOVE(GradientDifferenceMetric);

  using Self = GradientDifferenceMetric;
  using Superclass1 = itk::GradientDifferenceImageToImageMetric<typename MetricBase<TElastix>::FixedImageType,
                                                                typename MetricBase<TElastix>::MovingImageType>;
  using Superclass2 = MetricBase<TElastix>;
  using Pointer = itk::SmartPointer<Self>;
  using ConstPointer = itk::SmartPointer<const Self>;

  itkNewMacro(Self);

  itkTypeMacro(GradientDifferenceMetric, itk::GradientDifferenceImageToImageMetric);

  elxClassNameMacro("GradientDifference");

  using typename Superclass1::CoordinateRepresentationType;
  using typename Superclass1::MovingImageType;
  using typename Superclass1::MovingImagePixelType;
  using typename Superclass1::MovingImageConstPointer;
  using typename Superclass1::FixedImageType;
  using typename Superclass1::FixedImageConstPointer;
  using typename Superclass1::FixedImageRegionType;
  using typename Superclass1::TransformType;
  using typename Superclass1::TransformPointer;
  using typename Superclass1::InputPointType;
  using typename Superclass1::OutputPointType;
  using typename Superclass1::TransformParametersType;
  using typename Superclass1::TransformJacobianType;
  using typename Superclass1::InterpolatorType;
  using typename Superclass1::InterpolatorPointer;
  using typename Superclass1::RealType;
  using typename Superclass1::GradientPixelType;
  using typename Superclass1::GradientImageType;
  using typename Superclass1::GradientImagePointer;
  using typename Superclass1::FixedImageMaskType;
  using typename Superclass1::FixedImageMaskPointer;
  using typename Superclass1::MovingImageMaskType;
  using typename Superclass1::MovingImageMaskPointer;
  using typename Superclass1::MeasureType;
  using typename Superclass1::DerivativeType;
  using typename Superclass1::ParametersType;
  using typename Superclass1::FixedImagePixelType;
  using typename Superclass1::MovingImageRegionType;
  using typename Superclass1::ImageSamplerType;
  using typename Superclass1::ImageSamplerPointer;
  using typename Superclass1::ImageSampleContainerType;
  using typename Superclass1::ImageSampleContainerPointer;
  using typename Superclass1::FixedImageLimiterType;
  using typename Superclass1::MovingImageLimiterType;
  using typename Superclass1::FixedImageLimiterOutputType;
  using typename Superclass1::MovingImageLimiterOutputType;
  using typename Superclass1::MovingImageDerivativeScalesType;

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

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

  using typename Superclass2::ElastixType;
  using typename Superclass2::RegistrationType;
  using ITKBaseType = typename Superclass2::ITKBaseType;

  void
  Initialize() override;

 
  void
  BeforeRegistration() override;
 
  void
  BeforeEachResolution() override;
 
protected:
  GradientDifferenceMetric() = default;

  ~GradientDifferenceMetric() override = default;
 
private:
  elxOverrideGetSelfMacro;
};
 
} // end namespace elastix
 
#ifndef ITK_MANUAL_INSTANTIATION
#  include "elxGradientDifferenceMetric.hxx"
#endif
 
#endif // end #ifndef elxGradientDifferenceMetric_h