RTK  2.0.1
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 :
52  public itk::InPlaceImageFilter<TInputImage, TOutputImage>
53 {
54 public:
55  ITK_DISALLOW_COPY_AND_ASSIGN(FDKWeightProjectionFilter);
56 
62 
64  using InputImageType = TInputImage;
65  using OutputImageType = TOutputImage;
66  using OutputImageRegionType = typename OutputImageType::RegionType;
67 
69  itkNewMacro(Self);
70 
73 
75  itkGetMacro(Geometry, ThreeDCircularProjectionGeometry::Pointer);
76  itkSetObjectMacro(Geometry, ThreeDCircularProjectionGeometry);
78 
79 protected:
80  FDKWeightProjectionFilter() = default;
81  ~FDKWeightProjectionFilter() override = default;
82 
83  void BeforeThreadedGenerateData() override;
84 
85 #if ITK_VERSION_MAJOR<5
86  void ThreadedGenerateData(const OutputImageRegionType& outputRegionForThread, ThreadIdType threadId) override;
87 #else
88  void DynamicThreadedGenerateData(const OutputImageRegionType& outputRegionForThread) override;
89 #endif
90 
91 private:
93  std::vector<double> m_ConstantProjectionFactor;
94 
96  std::vector<double> m_TiltAngles;
97 
100 }; // end of class
101 
102 } // end namespace rtk
103 
104 #ifndef ITK_MANUAL_INSTANTIATION
105 #include "rtkFDKWeightProjectionFilter.hxx"
106 #endif
107 
108 #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
unsigned int ThreadIdType