itkIterativeInverseDisplacementFieldImageFilter.h

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/*=========================================================================
 *
 *  Copyright NumFOCUS
 *
 *  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
 *
 *         https://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 itkIterativeInverseDisplacementFieldImageFilter_h
#define itkIterativeInverseDisplacementFieldImageFilter_h
 
 
#include "itkWarpVectorImageFilter.h"
#include "itkImageRegionIterator.h"
#include "itkTimeProbe.h"
 
namespace itk
{
template <typename TInputImage, typename TOutputImage>
class ITK_TEMPLATE_EXPORT IterativeInverseDisplacementFieldImageFilter
  : public ImageToImageFilter<TInputImage, TOutputImage>
{
public:
  ITK_DISALLOW_COPY_AND_MOVE(IterativeInverseDisplacementFieldImageFilter);
 
  using Self = IterativeInverseDisplacementFieldImageFilter;
  using Superclass = ImageToImageFilter<TInputImage, TOutputImage>;
  using Pointer = SmartPointer<Self>;
  using ConstPointer = SmartPointer<const Self>;
 
  itkNewMacro(Self);
 
  itkOverrideGetNameOfClassMacro(IterativeInverseDisplacementFieldImageFilter);
 
  using InputImageType = TInputImage;
  using InputImageConstPointer = typename InputImageType::ConstPointer;
  using InputImagePointer = typename InputImageType::Pointer;
  using InputImagePointType = typename InputImageType::PointType;
  using InputImageRegionType = typename InputImageType::RegionType;
  using InputImageSpacingType = typename InputImageType::SpacingType;
  using OutputImageType = TOutputImage;
  using OutputImagePointer = typename OutputImageType::Pointer;
  using OutputImagePixelType = typename OutputImageType::PixelType;
  using OutputImagePointType = typename OutputImageType::PointType;
  using OutputImageIndexType = typename OutputImageType::IndexType;
  using OutputImageValueType = typename OutputImagePixelType::ValueType;
 
  using TimeType = TimeProbe;
 
  using InputConstIterator = ImageRegionConstIterator<InputImageType>;
  using InputIterator = ImageRegionIterator<InputImageType>;
  using OutputIterator = ImageRegionIterator<OutputImageType>;
 
  using VectorWarperType = WarpVectorImageFilter<TOutputImage, TInputImage, TOutputImage>;
 
  using FieldInterpolatorType = VectorLinearInterpolateImageFunction<TInputImage, double>;
  using FieldInterpolatorPointer = typename FieldInterpolatorType::Pointer;
  using FieldInterpolatorOutputType = typename FieldInterpolatorType::OutputType;
 
  itkSetMacro(NumberOfIterations, unsigned int);
  itkGetConstMacro(NumberOfIterations, unsigned int);
 
  // If the error (in mm) between forward and backward mapping is smaller than
  // the StopValue,
  // the algorithm stops.
  // This value can be used to speed up the calculation.
  itkSetMacro(StopValue, double);
  itkGetConstMacro(StopValue, double);
 
#ifdef ITK_USE_CONCEPT_CHECKING
  // Begin concept checking
  itkConceptMacro(OutputHasNumericTraitsCheck, (Concept::HasNumericTraits<OutputImageValueType>));
 
  itkConceptMacro(SameDimensionCheck,
                  (Concept::SameDimension<TInputImage::ImageDimension, TOutputImage::ImageDimension>));
  // End concept checking
#endif
 
protected:
  IterativeInverseDisplacementFieldImageFilter();
  ~IterativeInverseDisplacementFieldImageFilter() override = default;
 
  void
  PrintSelf(std::ostream & os, Indent indent) const override;
 
  void
  GenerateData() override;
 
  unsigned int m_NumberOfIterations{};
 
  double m_StopValue{};
  double m_Time{};
};
} // end namespace itk
 
#ifndef ITK_MANUAL_INSTANTIATION
#  include "itkIterativeInverseDisplacementFieldImageFilter.hxx"
#endif
 
#endif