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| author | Willem Jan Palenstijn <Willem.Jan.Palenstijn@cwi.nl> | 2019-05-20 13:27:56 +0200 |
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| committer | Willem Jan Palenstijn <Willem.Jan.Palenstijn@cwi.nl> | 2019-09-25 14:10:10 +0200 |
| commit | 64729b45a73cd17c85c57cd71dc277ae84a4b471 (patch) | |
| tree | 7fb0147738de7b631a999d4f0adf3d454adf3cfa /cuda/3d/cone_bp.cu | |
| parent | 9d7e93d57183d5a1e1efd113067bdcc8d388bc50 (diff) | |
| download | astra-64729b45a73cd17c85c57cd71dc277ae84a4b471.tar.gz astra-64729b45a73cd17c85c57cd71dc277ae84a4b471.tar.bz2 astra-64729b45a73cd17c85c57cd71dc277ae84a4b471.tar.xz astra-64729b45a73cd17c85c57cd71dc277ae84a4b471.zip | |
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Diffstat (limited to 'cuda/3d/cone_bp.cu')
| -rw-r--r-- | cuda/3d/cone_bp.cu | 3 |
1 files changed, 3 insertions, 0 deletions
diff --git a/cuda/3d/cone_bp.cu b/cuda/3d/cone_bp.cu index 6b2c8a1..7312bbc 100644 --- a/cuda/3d/cone_bp.cu +++ b/cuda/3d/cone_bp.cu @@ -253,6 +253,9 @@ bool transferConstants(const SConeProjection* angles, unsigned int iProjAngles, // FDK weighting factor // ( || u v s || / || u v (s-x) || ) ^ 2 + // Since u and v are ratios with the same denominator, we have + // a degree of freedom to scale the denominator. We use that to make + // the square of the denominator equal to the relevant weighting factor. for (unsigned int i = 0; i < iProjAngles; ++i) { |