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| author | Willem Jan Palenstijn <wjp@usecode.org> | 2016-04-14 13:12:51 +0200 |
|---|---|---|
| committer | Willem Jan Palenstijn <wjp@usecode.org> | 2016-04-14 13:12:51 +0200 |
| commit | 7633a0f48ce030413642627f16e50d27da4cf709 (patch) | |
| tree | 53150eade1dd920644c690a1d9da741cedcefdf6 /include/astra/CudaSirtAlgorithm3D.h | |
| parent | a7c4275ee8cd90b4ecf7fbca5d9571aae62a2931 (diff) | |
| parent | 16430239d04ff738a21146c410918c285552543f (diff) | |
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Merge pull request #35 from wjp/relaxation
Add relaxation factor option to SIRT, SART
Diffstat (limited to 'include/astra/CudaSirtAlgorithm3D.h')
| -rw-r--r-- | include/astra/CudaSirtAlgorithm3D.h | 3 |
1 files changed, 2 insertions, 1 deletions
diff --git a/include/astra/CudaSirtAlgorithm3D.h b/include/astra/CudaSirtAlgorithm3D.h index 379720e..60191cd 100644 --- a/include/astra/CudaSirtAlgorithm3D.h +++ b/include/astra/CudaSirtAlgorithm3D.h @@ -50,7 +50,7 @@ class AstraSIRT3d; * * The update step of pixel \f$v_j\f$ for iteration \f$k\f$ is given by: * \f[ - * v_j^{(k+1)} = v_j^{(k)} + \alpha \sum_{i=1}^{M} \left( \frac{w_{ij}\left( p_i - \sum_{r=1}^{N} w_{ir}v_r^{(k)}\right)}{\sum_{k=1}^{N} w_{ik}} \right) \frac{1}{\sum_{l=1}^{M}w_{lj}} + * v_j^{(k+1)} = v_j^{(k)} + \lambda \sum_{i=1}^{M} \left( \frac{w_{ij}\left( p_i - \sum_{r=1}^{N} w_{ir}v_r^{(k)}\right)}{\sum_{k=1}^{N} w_{ik}} \right) \frac{1}{\sum_{l=1}^{M}w_{lj}} * \f] * * \par XML Configuration @@ -175,6 +175,7 @@ protected: bool m_bAstraSIRTInit; int m_iDetectorSuperSampling; int m_iVoxelSuperSampling; + float m_fLambda; void initializeFromProjector(); }; |