itkDeformationFieldRegulizer.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 itkDeformationFieldRegulizer_h
#define itkDeformationFieldRegulizer_h
 
#include "itkDeformationVectorFieldTransform.h"
#include "itkImageRegionIterator.h"
 
namespace itk
{
 
template <class TAnyITKTransform>
class ITK_TEMPLATE_EXPORT DeformationFieldRegulizer : public TAnyITKTransform
{
public:
  ITK_DISALLOW_COPY_AND_MOVE(DeformationFieldRegulizer);
 
  using Self = DeformationFieldRegulizer;
  using Superclass = TAnyITKTransform;
  using Pointer = SmartPointer<Self>;
  using ConstPointer = SmartPointer<const Self>;
 
  itkNewMacro(Self);
 
  itkTypeMacro(DeformationFieldRegulizer, TAnyITKTransform);
 
  itkStaticConstMacro(InputSpaceDimension, unsigned int, Superclass::InputSpaceDimension);
  itkStaticConstMacro(OutputSpaceDimension, unsigned int, Superclass::OutputSpaceDimension);
 
  using typename Superclass::ScalarType;
  using typename Superclass::ParametersType;
  using typename Superclass::JacobianType;
  using typename Superclass::InputVectorType;
  using typename Superclass::OutputVectorType;
  using typename Superclass::InputCovariantVectorType;
  using typename Superclass::OutputCovariantVectorType;
  using typename Superclass::InputVnlVectorType;
  using typename Superclass::OutputVnlVectorType;
  using typename Superclass::InputPointType;
  using typename Superclass::OutputPointType;
 
  using IntermediaryDFTransformType = DeformationVectorFieldTransform<ScalarType, Self::InputSpaceDimension>;
  using IntermediaryDFTransformPointer = typename IntermediaryDFTransformType::Pointer;
  using VectorImageType = typename IntermediaryDFTransformType ::CoefficientVectorImageType;
  using VectorPixelType = typename VectorImageType::PixelType;
  using IteratorType = ImageRegionIterator<VectorImageType>;
 
  using RegionType = typename VectorImageType::RegionType;
  using SpacingType = typename VectorImageType::SpacingType;
  using OriginType = typename VectorImageType::PointType;
 
  void
  InitializeDeformationFields();
 
  virtual void
  UpdateIntermediaryDeformationFieldTransform(typename VectorImageType::Pointer vecImage);
 
  itkSetMacro(DeformationFieldRegion, RegionType);
 
  itkSetMacro(DeformationFieldSpacing, SpacingType);
 
  itkSetMacro(DeformationFieldOrigin, OriginType);
 
  itkGetConstObjectMacro(IntermediaryDeformationFieldTransform, IntermediaryDFTransformType);
 
  OutputPointType
  TransformPoint(const InputPointType & inputPoint) const override;
 
protected:
  DeformationFieldRegulizer();
  ~DeformationFieldRegulizer() override = default;
 
private:
  IntermediaryDFTransformPointer m_IntermediaryDeformationFieldTransform{};
  bool                           m_Initialized{};
 
  RegionType  m_DeformationFieldRegion{};
  OriginType  m_DeformationFieldOrigin{};
  SpacingType m_DeformationFieldSpacing{};
};
 
} // end namespace itk
 
#ifndef ITK_MANUAL_INSTANTIATION
#  include "itkDeformationFieldRegulizer.hxx"
#endif
 
#endif // end #ifndef itkDeformationFieldRegulizer_h