elxRegistrationBase.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.
 *
 *=========================================================================*/
#ifndef elxRegistrationBase_h
#define elxRegistrationBase_h

#include "elxMacro.h"
 
#include "elxBaseComponentSE.h"
#include "itkMultiResolutionImageRegistrationMethod2.h"

#include "itkImageMaskSpatialObject.h"
#include "itkErodeMaskImageFilter.h"
 
namespace elastix
{

 
template <typename TElastix>
class ITK_TEMPLATE_EXPORT RegistrationBase : public BaseComponentSE<TElastix>
{
public:
  ITK_DISALLOW_COPY_AND_MOVE(RegistrationBase);

  using Self = RegistrationBase;
  using Superclass = BaseComponentSE<TElastix>;

  itkOverrideGetNameOfClassMacro(RegistrationBase);

  using typename Superclass::ElastixType;
  using typename Superclass::RegistrationType;

  using FixedImageType = typename ElastixType::FixedImageType;
  using MovingImageType = typename ElastixType::MovingImageType;

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

  using ITKBaseType = itk::MultiResolutionImageRegistrationMethod2<FixedImageType, MovingImageType>;

  using UseMaskErosionArrayType = std::vector<bool>;

  ITKBaseType *
  GetAsITKBaseType()
  {
    return &(this->GetSelf());
  }
 

  const ITKBaseType *
  GetAsITKBaseType() const
  {
    return &(this->GetSelf());
  }
 

  virtual bool
  ReadMaskParameters(UseMaskErosionArrayType & useMaskErosionArray,
                     const unsigned int        nrOfMasks,
                     const std::string &       whichMask,
                     const unsigned int        level) const;
 
protected:
  RegistrationBase() = default;
  ~RegistrationBase() override = default;

  using MaskPixelType = typename ElastixType::MaskPixelType;
  using FixedMaskImageType = typename ElastixType::FixedMaskType;
  using MovingMaskImageType = typename ElastixType::MovingMaskType;
  using FixedMaskImagePointer = typename FixedMaskImageType::Pointer;
  using MovingMaskImagePointer = typename MovingMaskImageType::Pointer;
  using FixedMaskSpatialObjectType = itk::ImageMaskSpatialObject<Self::FixedImageDimension>;
  using MovingMaskSpatialObjectType = itk::ImageMaskSpatialObject<Self::MovingImageDimension>;
  using FixedMaskSpatialObjectPointer = typename FixedMaskSpatialObjectType::Pointer;
  using MovingMaskSpatialObjectPointer = typename MovingMaskSpatialObjectType::Pointer;
 
  using FixedImagePyramidType = typename ITKBaseType::FixedImagePyramidType;
  using MovingImagePyramidType = typename ITKBaseType::MovingImagePyramidType;

  using FixedMaskErodeFilterType = itk::ErodeMaskImageFilter<FixedMaskImageType>;
  using FixedMaskErodeFilterPointer = typename FixedMaskErodeFilterType::Pointer;
  using MovingMaskErodeFilterType = itk::ErodeMaskImageFilter<MovingMaskImageType>;
  using MovingMaskErodeFilterPointer = typename MovingMaskErodeFilterType::Pointer;

  FixedMaskSpatialObjectPointer
  GenerateFixedMaskSpatialObject(const FixedMaskImageType *    maskImage,
                                 bool                          useMaskErosion,
                                 const FixedImagePyramidType * pyramid,
                                 unsigned int                  level) const;

  MovingMaskSpatialObjectPointer
  GenerateMovingMaskSpatialObject(const MovingMaskImageType *    maskImage,
                                  bool                           useMaskErosion,
                                  const MovingImagePyramidType * pyramid,
                                  unsigned int                   level) const;
 
private:
  elxDeclarePureVirtualGetSelfMacro(ITKBaseType);
};
 
} // end namespace elastix
 
#ifndef ITK_MANUAL_INSTANTIATION
#  include "elxRegistrationBase.hxx"
#endif
 
#endif // end #ifndef elxRegistrationBase_h