RTK  2.1.0
Reconstruction Toolkit
rtkFDKWeightProjectionFilter.h
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18 
19 #ifndef rtkFDKWeightProjectionFilter_h
20 #define rtkFDKWeightProjectionFilter_h
21 
22 #include <itkInPlaceImageFilter.h>
24 #include "rtkConfiguration.h"
25 
26 namespace rtk
27 {
28 
50 template <class TInputImage, class TOutputImage = TInputImage>
51 class ITK_EXPORT FDKWeightProjectionFilter : public itk::InPlaceImageFilter<TInputImage, TOutputImage>
52 {
53 public:
54  ITK_DISALLOW_COPY_AND_ASSIGN(FDKWeightProjectionFilter);
55 
61 
63  using InputImageType = TInputImage;
64  using OutputImageType = TOutputImage;
65  using OutputImageRegionType = typename OutputImageType::RegionType;
66 
68  itkNewMacro(Self);
69 
72 
74  itkGetMacro(Geometry, ThreeDCircularProjectionGeometry::Pointer);
75  itkSetObjectMacro(Geometry, ThreeDCircularProjectionGeometry);
77 
78 protected:
79  FDKWeightProjectionFilter() = default;
80  ~FDKWeightProjectionFilter() override = default;
81 
83  void
84  VerifyPreconditions() ITKv5_CONST override;
85 
86  void
87  BeforeThreadedGenerateData() override;
88 
89  void
90  DynamicThreadedGenerateData(const OutputImageRegionType & outputRegionForThread) override;
91 
92 private:
94  std::vector<double> m_ConstantProjectionFactor;
95 
97  std::vector<double> m_TiltAngles;
98 
101 }; // end of class
102 
103 } // end namespace rtk
104 
105 #ifndef ITK_MANUAL_INSTANTIATION
106 # include "rtkFDKWeightProjectionFilter.hxx"
107 #endif
108 
109 #endif
Weighting of projections to correct for the divergence in filtered backprojection reconstruction algo...
STL namespace.
TInputImage InputImageType
Projection geometry for a source and a 2-D flat panel.
typename OutputImageType::RegionType OutputImageRegionType
TOutputImage OutputImageType