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| author | Willem Jan Palenstijn <Willem.Jan.Palenstijn@cwi.nl> | 2016-03-23 15:50:24 +0100 |
|---|---|---|
| committer | Willem Jan Palenstijn <Willem.Jan.Palenstijn@cwi.nl> | 2016-03-23 16:03:21 +0100 |
| commit | 16430239d04ff738a21146c410918c285552543f (patch) | |
| tree | 4a4e894d6ece87888b71bb69c32e53721fb7e2a9 /include/astra | |
| parent | 5edb35edc2c721b458334a65512b534912c2c542 (diff) | |
| download | astra-16430239d04ff738a21146c410918c285552543f.tar.gz astra-16430239d04ff738a21146c410918c285552543f.tar.bz2 astra-16430239d04ff738a21146c410918c285552543f.tar.xz astra-16430239d04ff738a21146c410918c285552543f.zip | |
Add relaxation parameters to SIRT3D
Diffstat (limited to 'include/astra')
| -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(); }; |