RTK  2.6.0
Reconstruction Toolkit
rtkFDKBackProjectionImageFilter.h
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18 
19 #ifndef rtkFDKBackProjectionImageFilter_h
20 #define rtkFDKBackProjectionImageFilter_h
21 
23 
24 namespace rtk
25 {
26 
38 template <class TInputImage, class TOutputImage>
39 class ITK_TEMPLATE_EXPORT FDKBackProjectionImageFilter : public BackProjectionImageFilter<TInputImage, TOutputImage>
40 {
41 public:
42  ITK_DISALLOW_COPY_AND_MOVE(FDKBackProjectionImageFilter);
43 
49 
50  using ProjectionMatrixType = typename Superclass::ProjectionMatrixType;
51  using OutputImageRegionType = typename TOutputImage::RegionType;
52  using ProjectionImageType = typename Superclass::ProjectionImageType;
54 
56  itkNewMacro(Self);
57 
59 #ifdef itkOverrideGetNameOfClassMacro
60  itkOverrideGetNameOfClassMacro(FDKBackProjectionImageFilter);
61 #else
63 #endif
64 
65 
66 protected:
67  FDKBackProjectionImageFilter() = default;
68  ~FDKBackProjectionImageFilter() override = default;
69 
70  void
71  GenerateOutputInformation() override;
72 
73  void
74  DynamicThreadedGenerateData(const OutputImageRegionType & outputRegionForThread) override;
75 
78  void
79  OptimizedBackprojectionX(const OutputImageRegionType & region,
80  const ProjectionMatrixType & matrix,
81  const ProjectionImagePointer projection) override;
82 
85  void
86  OptimizedBackprojectionY(const OutputImageRegionType & region,
87  const ProjectionMatrixType & matrix,
88  const ProjectionImagePointer projection) override;
89 };
90 
91 } // end namespace rtk
92 
93 #ifndef ITK_MANUAL_INSTANTIATION
94 # include "rtkFDKBackProjectionImageFilter.hxx"
95 #endif
96 
97 #endif
typename ProjectionImageType::Pointer ProjectionImagePointer
typename OutputImageType::RegionType OutputImageRegionType
CPU version of the backprojection of the FDK algorithm.
typename GeometryType::MatrixType ProjectionMatrixType