elxMultiBSplineTransformWithNormal.h

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 *  Copyright UMC Utrecht and contributors
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 *  Licensed under the Apache License, Version 2.0 (the "License");
 *  you may not use this file except in compliance with the License.
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 *        http://www.apache.org/licenses/LICENSE-2.0.txt
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 *  distributed under the License is distributed on an "AS IS" BASIS,
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 *  See the License for the specific language governing permissions and
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#ifndef elxMultiBSplineTransformWithNormal_h
#define elxMultiBSplineTransformWithNormal_h
 
#include "elxIncludes.h" // include first to avoid MSVS warning
#include "itkAdvancedCombinationTransform.h"
#include "itkAdvancedBSplineDeformableTransform.h"
#include "itkMultiBSplineDeformableTransformWithNormal.h"
 
#include "itkGridScheduleComputer.h"
#include "itkUpsampleBSplineParametersFilter.h"
 
namespace elastix
{

 
template <typename TElastix>
class ITK_TEMPLATE_EXPORT MultiBSplineTransformWithNormal
  : public itk::AdvancedCombinationTransform<typename elx::TransformBase<TElastix>::CoordinateType,
                                             elx::TransformBase<TElastix>::FixedImageDimension>
  , public TransformBase<TElastix>
{
public:
  ITK_DISALLOW_COPY_AND_MOVE(MultiBSplineTransformWithNormal);

  using Self = MultiBSplineTransformWithNormal;
  using Superclass1 = itk::AdvancedCombinationTransform<typename elx::TransformBase<TElastix>::CoordinateType,
                                                        elx::TransformBase<TElastix>::FixedImageDimension>;
  using Superclass2 = elx::TransformBase<TElastix>;
  using Pointer = itk::SmartPointer<Self>;
  using ConstPointer = itk::SmartPointer<const Self>;

  itkNewMacro(Self);

  itkOverrideGetNameOfClassMacro(MultiBSplineTransformWithNormal);

  elxClassNameMacro("MultiBSplineTransformWithNormal");

  itkStaticConstMacro(SpaceDimension, unsigned int, Superclass2::FixedImageDimension);

  using BSplineTransformBaseType =
    itk::AdvancedBSplineDeformableTransformBase<typename elx::TransformBase<TElastix>::CoordinateType,
                                                Self::SpaceDimension>;
  using BSplineTransformBasePointer = typename BSplineTransformBaseType::Pointer;

  using MultiBSplineTransformWithNormalLinearType =
    itk::MultiBSplineDeformableTransformWithNormal<typename elx::TransformBase<TElastix>::CoordinateType,
                                                   Self::SpaceDimension,
                                                   1>;
  using MultiBSplineTransformWithNormalQuadraticType =
    itk::MultiBSplineDeformableTransformWithNormal<typename elx::TransformBase<TElastix>::CoordinateType,
                                                   Self::SpaceDimension,
                                                   2>;
  using MultiBSplineTransformWithNormalCubicType =
    itk::MultiBSplineDeformableTransformWithNormal<typename elx::TransformBase<TElastix>::CoordinateType,
                                                   Self::SpaceDimension,
                                                   3>;

  using typename Superclass1::ScalarType;
  using typename Superclass1::ParametersType;
  using typename Superclass1::NumberOfParametersType;
  using typename Superclass1::JacobianType;
  using typename Superclass1::InputVectorType;
  using typename Superclass1::OutputVectorType;
  using typename Superclass1::InputCovariantVectorType;
  using typename Superclass1::OutputCovariantVectorType;
  using typename Superclass1::InputVnlVectorType;
  using typename Superclass1::OutputVnlVectorType;
  using typename Superclass1::InputPointType;
  using typename Superclass1::OutputPointType;

  using PixelType = typename BSplineTransformBaseType::PixelType;
  using ImageType = typename BSplineTransformBaseType::ImageType;
  using ImagePointer = typename BSplineTransformBaseType::ImagePointer;
  using RegionType = typename BSplineTransformBaseType::RegionType;
  using IndexType = typename BSplineTransformBaseType::IndexType;
  using SizeType = typename BSplineTransformBaseType::SizeType;
  using SpacingType = typename BSplineTransformBaseType::SpacingType;
  using OriginType = typename BSplineTransformBaseType::OriginType;
  using DirectionType = typename BSplineTransformBaseType::DirectionType;
  using ContinuousIndexType = typename BSplineTransformBaseType::ContinuousIndexType;
  using ParameterIndexArrayType = typename BSplineTransformBaseType::ParameterIndexArrayType;

  using typename Superclass2::ElastixType;
  using typename Superclass2::ParameterMapType;
  using typename Superclass2::RegistrationType;
  using typename Superclass2::CoordinateType;
  using typename Superclass2::FixedImageType;
  using typename Superclass2::MovingImageType;
  using ITKBaseType = typename Superclass2::ITKBaseType;
  using CombinationTransformType = typename Superclass2::CombinationTransformType;

  using GridScheduleComputerType = itk::GridScheduleComputer<CoordinateType, SpaceDimension>;
  using GridScheduleComputerPointer = typename GridScheduleComputerType::Pointer;
  using GridScheduleType = typename GridScheduleComputerType ::VectorGridSpacingFactorType;
  using GridUpsamplerType = itk::UpsampleBSplineParametersFilter<ParametersType, ImageType>;
  using GridUpsamplerPointer = typename GridUpsamplerType::Pointer;

  using ImageLabelType = itk::Image<unsigned char, Self::SpaceDimension>;
  using ImageLabelPointer = typename ImageLabelType::Pointer;

  int
  BeforeAll() override;

  void
  BeforeRegistration() override;

  void
  BeforeEachResolution() override;

  virtual void
  IncreaseScale();

  void
  ReadFromFile() override;

  virtual void
  SetOptimizerScales(const unsigned int edgeWidth);
 
protected:
  MultiBSplineTransformWithNormal() = default;

  ~MultiBSplineTransformWithNormal() override = default;

  virtual void
  PreComputeGridInformation();
 
private:
  elxOverrideGetSelfMacro;

  void
  InitializeTransform();

  ParameterMapType
  CreateDerivedTransformParameterMap() const override;

  typename MultiBSplineTransformWithNormalCubicType::Pointer m_MultiBSplineTransformWithNormal;
  GridScheduleComputerPointer                                m_GridScheduleComputer;
  GridUpsamplerPointer                                       m_GridUpsampler;
  ImageLabelPointer                                          m_Labels;
  std::string                                                m_LabelsPath;

  unsigned int m_SplineOrder;

  unsigned int
  InitializeBSplineTransform();
};
 
} // end namespace elastix
 
#ifndef ITK_MANUAL_INSTANTIATION
#  include "elxMultiBSplineTransformWithNormal.hxx"
#endif
 
#endif // end #ifndef elxMultiBSplineTransformWithNormal_h