itkDemonsImageToImageMetricv4.h

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/*=========================================================================
 *
 *  Copyright Insight Software Consortium
 *
 *  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.
 *
 *=========================================================================*/
#ifndef itkDemonsImageToImageMetricv4_h
#define itkDemonsImageToImageMetricv4_h

#include "itkImageToImageMetricv4.h"

#include "itkDemonsImageToImageMetricv4GetValueAndDerivativeThreader.h"

namespace itk
{

template <typename TFixedImage, typename TMovingImage, typename TVirtualImage = TFixedImage,
          typename TInternalComputationValueType = double,
          typename TMetricTraits = DefaultImageToImageMetricTraitsv4<TFixedImage,TMovingImage,TVirtualImage,TInternalComputationValueType>
          >
class DemonsImageToImageMetricv4 :
  public ImageToImageMetricv4<TFixedImage, TMovingImage, TVirtualImage, TInternalComputationValueType, TMetricTraits>
{
public:
  typedef DemonsImageToImageMetricv4                                       Self;
  typedef ImageToImageMetricv4<TFixedImage, TMovingImage, TVirtualImage,
                             TInternalComputationValueType,TMetricTraits>  Superclass;
  typedef SmartPointer<Self>                                               Pointer;
  typedef SmartPointer<const Self>                                         ConstPointer;

  itkNewMacro(Self);

  itkTypeMacro(DemonsImageToImageMetricv4, ImageToImageMetricv4);

  typedef typename Superclass::MeasureType             MeasureType;
  typedef typename Superclass::DerivativeType          DerivativeType;

  typedef typename Superclass::FixedImagePointType     FixedImagePointType;
  typedef typename Superclass::FixedImagePixelType     FixedImagePixelType;
  typedef typename Superclass::FixedImageGradientType  FixedImageGradientType;

  typedef typename Superclass::MovingImagePointType    MovingImagePointType;
  typedef typename Superclass::MovingImagePixelType    MovingImagePixelType;
  typedef typename Superclass::MovingImageGradientType MovingImageGradientType;

  typedef typename Superclass::MovingTransformType     MovingTransformType;
  typedef typename Superclass::JacobianType            JacobianType;
  typedef typename Superclass::VirtualImageType        VirtualImageType;
  typedef typename Superclass::VirtualIndexType        VirtualIndexType;
  typedef typename Superclass::VirtualPointType        VirtualPointType;
  typedef typename Superclass::VirtualPointSetType     VirtualSPointSetType;
  typedef typename Superclass::NumberOfParametersType  NumberOfParametersType;

  typedef TInternalComputationValueType                InternalComputationValueType;

  typedef typename Superclass::ImageDimensionType      ImageDimensionType;

  /* Image dimension accessors */
  itkStaticConstMacro(VirtualImageDimension, ImageDimensionType,
      TVirtualImage::ImageDimension);
  itkStaticConstMacro(FixedImageDimension, ImageDimensionType,
      TFixedImage::ImageDimension);
  itkStaticConstMacro(MovingImageDimension, ImageDimensionType,
      TMovingImage::ImageDimension);

  virtual void Initialize(void) throw ( itk::ExceptionObject ) ITK_OVERRIDE;

  itkGetConstMacro(IntensityDifferenceThreshold, TInternalComputationValueType);
  itkSetMacro(IntensityDifferenceThreshold, TInternalComputationValueType);

  itkGetConstMacro(DenominatorThreshold, TInternalComputationValueType);

protected:
  itkGetConstMacro(Normalizer, TInternalComputationValueType);

  DemonsImageToImageMetricv4();
  virtual ~DemonsImageToImageMetricv4();

  friend class DemonsImageToImageMetricv4GetValueAndDerivativeThreader< ThreadedImageRegionPartitioner< Superclass::VirtualImageDimension >, Superclass, Self >;
  friend class DemonsImageToImageMetricv4GetValueAndDerivativeThreader< ThreadedIndexedContainerPartitioner, Superclass, Self >;
  typedef DemonsImageToImageMetricv4GetValueAndDerivativeThreader< ThreadedImageRegionPartitioner< Superclass::VirtualImageDimension >, Superclass, Self >
    DemonsDenseGetValueAndDerivativeThreaderType;
  typedef DemonsImageToImageMetricv4GetValueAndDerivativeThreader< ThreadedIndexedContainerPartitioner, Superclass, Self >
    DemonsSparseGetValueAndDerivativeThreaderType;

  void PrintSelf(std::ostream& os, Indent indent) const ITK_OVERRIDE;

private:

  TInternalComputationValueType   m_DenominatorThreshold;

  TInternalComputationValueType   m_IntensityDifferenceThreshold;

  /* Used to normalize derivative calculation. Automatically calculated */
  TInternalComputationValueType   m_Normalizer;

  DemonsImageToImageMetricv4(const Self &); //purposely not implemented
  void operator = (const Self &); //purposely not implemented
};

} // end namespace itk

#ifndef ITK_MANUAL_INSTANTIATION
#include "itkDemonsImageToImageMetricv4.hxx"
#endif

#endif