RTK  2.6.0
Reconstruction Toolkit
rtkLastDimensionL0GradientDenoisingImageFilter.h
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18 #ifndef rtkLastDimensionL0GradientDenoisingImageFilter_h
19 #define rtkLastDimensionL0GradientDenoisingImageFilter_h
20 
21 #include "itkInPlaceImageFilter.h"
22 
24 
25 namespace rtk
26 {
41 template <class TInputImage>
42 
44  : public itk::InPlaceImageFilter<TInputImage, TInputImage>
45 {
46 public:
47  ITK_DISALLOW_COPY_AND_MOVE(LastDimensionL0GradientDenoisingImageFilter);
48 
53  using InputPixelType = typename TInputImage::PixelType;
54 
56  itkNewMacro(Self);
57 
59 #ifdef itkOverrideGetNameOfClassMacro
60  itkOverrideGetNameOfClassMacro(LastDimensionL0GradientDenoisingImageFilter);
61 #else
63 #endif
64 
65 
67  itkGetMacro(Lambda, double);
68  itkSetMacro(Lambda, double);
70 
72  itkGetMacro(NumberOfIterations, unsigned int);
73  itkSetMacro(NumberOfIterations, unsigned int);
75 
76 protected:
78  ~LastDimensionL0GradientDenoisingImageFilter() override = default;
79 
80  void
81  GenerateInputRequestedRegion() override;
82 
84  void
85  ThreadedGenerateData(const typename TInputImage::RegionType & outputRegionForThread,
86  itk::ThreadIdType itkNotUsed(threadId)) override;
87 
90  GetImageRegionSplitter() const override;
92 
93  virtual void
94  OneDimensionMinimizeL0NormOfGradient(InputPixelType * input,
95  unsigned int length,
96  double lambda,
97  unsigned int nbIters);
98 
99  double m_Lambda;
100  unsigned int m_NumberOfIterations;
101 };
102 } // namespace rtk
103 
104 
105 #ifndef ITK_MANUAL_INSTANTIATION
106 # include "rtkLastDimensionL0GradientDenoisingImageFilter.hxx"
107 #endif
108 
109 #endif
Denoises along the last dimension, reducing the L0 norm of the gradient.
#define itkSetMacro(name, type)
unsigned int ThreadIdType