itkTotalVariationDenoisingImageFilter.h

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/*============================================================================

The Medical Imaging Interaction Toolkit (MITK)

Copyright (c) German Cancer Research Center (DKFZ)
All rights reserved.

Use of this source code is governed by a 3-clause BSD license that can be
found in the LICENSE file.

============================================================================*/

#ifndef __itkTotalVariationDenoisingImageFilter_h
#define __itkTotalVariationDenoisingImageFilter_h

#include "itkCastImageFilter.h"
#include "itkImage.h"
#include "itkImageToImageFilter.h"
#include "itkTotalVariationSingleIterationImageFilter.h"

namespace itk
{
  template <class TInputImage, class TOutputImage>
  class TotalVariationDenoisingImageFilter : public ImageToImageFilter<TInputImage, TOutputImage>
  {
  public:
    itkStaticConstMacro(InputImageDimension, unsigned int, TInputImage::ImageDimension);
    itkStaticConstMacro(OutputImageDimension, unsigned int, TOutputImage::ImageDimension);

    typedef TInputImage InputImageType;
    typedef TOutputImage OutputImageType;

    typedef TotalVariationDenoisingImageFilter Self;
    typedef ImageToImageFilter<InputImageType, OutputImageType> Superclass;
    typedef SmartPointer<Self> Pointer;
    typedef SmartPointer<const Self> ConstPointer;

    itkFactorylessNewMacro(Self);
    itkCloneMacro(Self);

      itkTypeMacro(TotalVariationDenoisingImageFilter, ImageToImageFilter);

    typedef typename InputImageType::PixelType InputPixelType;
    typedef typename OutputImageType::PixelType OutputPixelType;

    typedef typename InputImageType::RegionType InputImageRegionType;
    typedef typename OutputImageType::RegionType OutputImageRegionType;

    typedef typename InputImageType::SizeType InputSizeType;

    typedef TotalVariationSingleIterationImageFilter<TOutputImage, TOutputImage> SingleIterationFilterType;

    typedef typename itk::CastImageFilter<TInputImage, TOutputImage> CastType;

    itkSetMacro(Lambda, double);
    itkGetMacro(Lambda, double);

    itkSetMacro(NumberIterations, int);
    itkGetMacro(NumberIterations, int);

  protected:
    TotalVariationDenoisingImageFilter();
    ~TotalVariationDenoisingImageFilter() override {}
    void PrintSelf(std::ostream &os, Indent indent) const override;

    void GenerateData() override;

    double m_Lambda;

    int m_NumberIterations;

  private:
    TotalVariationDenoisingImageFilter(const Self &); // purposely not implemented
    void operator=(const Self &);                     // purposely not implemented
  };

} // end namespace itk

#ifndef ITK_MANUAL_INSTANTIATION
#include "itkTotalVariationDenoisingImageFilter.txx"
#endif

#endif //__itkTotalVariationDenoisingImageFilter__