RTK  2.6.0
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_TEMPLATE_EXPORT FDKWeightProjectionFilter : public itk::InPlaceImageFilter<TInputImage, TOutputImage>
52 {
53 public:
54  ITK_DISALLOW_COPY_AND_MOVE(FDKWeightProjectionFilter);
55 
61 
63  using InputImageType = TInputImage;
64  using OutputImageType = TOutputImage;
65  using OutputImageRegionType = typename OutputImageType::RegionType;
66 
68  itkNewMacro(Self);
69 
71 #ifdef itkOverrideGetNameOfClassMacro
72  itkOverrideGetNameOfClassMacro(FDKWeightProjectionFilter);
73 #else
75 #endif
76 
77 
79  itkGetMacro(Geometry, ThreeDCircularProjectionGeometry::Pointer);
80  itkSetObjectMacro(Geometry, ThreeDCircularProjectionGeometry);
82 
83 protected:
84  FDKWeightProjectionFilter() = default;
85  ~FDKWeightProjectionFilter() override = default;
86 
88  void
89  VerifyPreconditions() const override;
90 
91  void
92  BeforeThreadedGenerateData() override;
93 
94  void
95  DynamicThreadedGenerateData(const OutputImageRegionType & outputRegionForThread) override;
96 
97 private:
99  std::vector<double> m_ConstantProjectionFactor;
100 
102  std::vector<double> m_TiltAngles;
103 
106 }; // end of class
107 
108 } // end namespace rtk
109 
110 #ifndef ITK_MANUAL_INSTANTIATION
111 # include "rtkFDKWeightProjectionFilter.hxx"
112 #endif
113 
114 #endif
Weighting of projections to correct for the divergence in filtered backprojection reconstruction algo...
TInputImage InputImageType
Projection geometry for a source and a 2-D flat panel.
ThreeDCircularProjectionGeometry::Pointer m_Geometry
typename OutputImageType::RegionType OutputImageRegionType
TOutputImage OutputImageType