rtkADMMWaveletsConeBeamReconstructionFilter.h

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/*=========================================================================
 *
 *  Copyright RTK 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
 *
 *         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 rtkADMMWaveletsConeBeamReconstructionFilter_h
#define rtkADMMWaveletsConeBeamReconstructionFilter_h

#include <itkImageToImageFilter.h>
#include <itkAddImageFilter.h>
#include <itkSubtractImageFilter.h>
#include <itkMultiplyImageFilter.h>

#include "rtkConjugateGradientImageFilter.h"
#include "rtkDeconstructSoftThresholdReconstructImageFilter.h"
#include "rtkADMMWaveletsConjugateGradientOperator.h"
#include "rtkIterativeConeBeamReconstructionFilter.h"
#include "rtkThreeDCircularProjectionGeometry.h"
#include "rtkDisplacedDetectorImageFilter.h"

namespace rtk
{
template <typename TOutputImage>
class ITK_TEMPLATE_EXPORT ADMMWaveletsConeBeamReconstructionFilter
  : public rtk::IterativeConeBeamReconstructionFilter<TOutputImage, TOutputImage>
{
public:
  ITK_DISALLOW_COPY_AND_MOVE(ADMMWaveletsConeBeamReconstructionFilter);

  using Self = ADMMWaveletsConeBeamReconstructionFilter;
  using Superclass = IterativeConeBeamReconstructionFilter<TOutputImage, TOutputImage>;
  using Pointer = itk::SmartPointer<Self>;

  itkNewMacro(Self);

  itkTypeMacro(ADMMWaveletsConeBeamReconstructionFilter, itk::ImageToImageFilter);

  //    void SetInputVolume(const TOutputImage* Volume);

  //    void SetInputProjectionStack(const TOutputImage* Projection);

  using ForwardProjectionFilterType = rtk::ForwardProjectionImageFilter<TOutputImage, TOutputImage>;
  using BackProjectionFilterType = rtk::BackProjectionImageFilter<TOutputImage, TOutputImage>;
  using ConjugateGradientFilterType = rtk::ConjugateGradientImageFilter<TOutputImage>;
  using SubtractFilterType = itk::SubtractImageFilter<TOutputImage>;
  using AddFilterType = itk::AddImageFilter<TOutputImage>;
  using MultiplyFilterType = itk::MultiplyImageFilter<TOutputImage>;
  using CGOperatorFilterType = rtk::ADMMWaveletsConjugateGradientOperator<TOutputImage>;
  using SoftThresholdFilterType = rtk::DeconstructSoftThresholdReconstructImageFilter<TOutputImage>;
  using DisplacedDetectorFilterType = rtk::DisplacedDetectorImageFilter<TOutputImage>;

  using ForwardProjectionType = typename Superclass::ForwardProjectionType;
  using BackProjectionType = typename Superclass::BackProjectionType;

  itkSetObjectMacro(Geometry, ThreeDCircularProjectionGeometry);

  itkSetMacro(Alpha, float);
  itkGetMacro(Alpha, float);

  itkSetMacro(Beta, float);
  itkGetMacro(Beta, float);

  itkSetMacro(AL_iterations, float);
  itkGetMacro(AL_iterations, float);

  itkSetMacro(CG_iterations, float);
  itkGetMacro(CG_iterations, float);

  itkSetMacro(Order, unsigned int);
  itkGetMacro(Order, unsigned int);

  itkSetMacro(NumberOfLevels, unsigned int);
  itkGetMacro(NumberOfLevels, unsigned int);

  itkSetMacro(DisableDisplacedDetectorFilter, bool);
  itkGetMacro(DisableDisplacedDetectorFilter, bool);

protected:
  ADMMWaveletsConeBeamReconstructionFilter();
  ~ADMMWaveletsConeBeamReconstructionFilter() override = default;

  void
  VerifyPreconditions() ITKv5_CONST override;

  void
  GenerateData() override;

  typename SubtractFilterType::Pointer          m_SubtractFilter1;
  typename SubtractFilterType::Pointer          m_SubtractFilter2;
  typename MultiplyFilterType::Pointer          m_MultiplyFilter;
  typename MultiplyFilterType::Pointer          m_ZeroMultiplyFilter;
  typename AddFilterType::Pointer               m_AddFilter1;
  typename AddFilterType::Pointer               m_AddFilter2;
  typename ConjugateGradientFilterType::Pointer m_ConjugateGradientFilter;
  typename SoftThresholdFilterType::Pointer     m_SoftThresholdFilter;
  typename CGOperatorFilterType::Pointer        m_CGOperator;
  typename ForwardProjectionImageFilter<TOutputImage, TOutputImage>::Pointer
                                                                          m_ForwardProjectionFilterForConjugateGradient;
  typename BackProjectionImageFilter<TOutputImage, TOutputImage>::Pointer m_BackProjectionFilterForConjugateGradient;
  typename BackProjectionImageFilter<TOutputImage, TOutputImage>::Pointer m_BackProjectionFilter;
  typename DisplacedDetectorFilterType::Pointer                           m_DisplacedDetectorFilter;

  void
  VerifyInputInformation() const override
  {}

  void
  GenerateInputRequestedRegion() override;
  void
  GenerateOutputInformation() override;

private:
  float        m_Alpha{ 1 };
  float        m_Beta{ 1 };
  unsigned int m_AL_iterations{ 10 };
  unsigned int m_CG_iterations{ 3 };
  unsigned int m_Order{ 3 };
  unsigned int m_NumberOfLevels{ 5 };
  bool         m_DisableDisplacedDetectorFilter;

  ThreeDCircularProjectionGeometry::Pointer m_Geometry;
};
} // namespace rtk


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

#endif