rtkDaubechiesWaveletsDenoiseSequenceImageFilter.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 rtkDaubechiesWaveletsDenoiseSequenceImageFilter_h
#define rtkDaubechiesWaveletsDenoiseSequenceImageFilter_h

#include "rtkConstantImageSource.h"

#include <itkExtractImageFilter.h>
#include <itkPasteImageFilter.h>
#include <itkCastImageFilter.h>
#include "rtkDeconstructSoftThresholdReconstructImageFilter.h"

namespace rtk
{
template <typename TImageSequence>
class ITK_TEMPLATE_EXPORT DaubechiesWaveletsDenoiseSequenceImageFilter
  : public itk::ImageToImageFilter<TImageSequence, TImageSequence>
{
public:
  ITK_DISALLOW_COPY_AND_MOVE(DaubechiesWaveletsDenoiseSequenceImageFilter);

  using Self = DaubechiesWaveletsDenoiseSequenceImageFilter;
  using Superclass = itk::ImageToImageFilter<TImageSequence, TImageSequence>;
  using Pointer = itk::SmartPointer<Self>;

  itkNewMacro(Self);

  itkOverrideGetNameOfClassMacro(DaubechiesWaveletsDenoiseSequenceImageFilter);

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

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

  itkGetMacro(Threshold, float);
  itkSetMacro(Threshold, float);

  using TImage = itk::Image<typename TImageSequence::PixelType, TImageSequence::ImageDimension - 1>;
  using WaveletsDenoisingFilterType = rtk::DeconstructSoftThresholdReconstructImageFilter<TImage>;
  using ExtractFilterType = itk::ExtractImageFilter<TImageSequence, TImage>;
  using PasteFilterType = itk::PasteImageFilter<TImageSequence, TImageSequence>;
  using CastFilterType = itk::CastImageFilter<TImage, TImageSequence>;
  using ConstantImageSourceType = rtk::ConstantImageSource<TImageSequence>;

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

  void
  GenerateData() override;

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

  typename WaveletsDenoisingFilterType::Pointer m_WaveletsDenoisingFilter;
  typename ExtractFilterType::Pointer           m_ExtractFilter;
  typename PasteFilterType::Pointer             m_PasteFilter;
  typename CastFilterType::Pointer              m_CastFilter;
  typename ConstantImageSourceType::Pointer     m_ConstantSource;

  typename TImageSequence::RegionType m_ExtractAndPasteRegion;

  unsigned int m_Order{ 5 };
  float        m_Threshold{ 1 };
  unsigned int m_NumberOfLevels{ 3 };
};
} // namespace rtk


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

#endif