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| author | Willem Jan Palenstijn <Willem.Jan.Palenstijn@cwi.nl> | 2019-04-03 18:25:52 +0200 |
|---|---|---|
| committer | Willem Jan Palenstijn <Willem.Jan.Palenstijn@cwi.nl> | 2019-09-25 14:10:09 +0200 |
| commit | 64abe91dd26e98001f3f5c7cc73543f5f94cb80d (patch) | |
| tree | 13090f6c956807dfd70c1c3eb6fb6d67d223517a /cuda/3d/fdk.cu | |
| parent | 35052afe6c27119b7d1d58a035d17be043d686f2 (diff) | |
| download | astra-64abe91dd26e98001f3f5c7cc73543f5f94cb80d.tar.gz astra-64abe91dd26e98001f3f5c7cc73543f5f94cb80d.tar.bz2 astra-64abe91dd26e98001f3f5c7cc73543f5f94cb80d.tar.xz astra-64abe91dd26e98001f3f5c7cc73543f5f94cb80d.zip | |
Improve adjoint matching for fan/cone BP functions, and clean up
Diffstat (limited to 'cuda/3d/fdk.cu')
| -rw-r--r-- | cuda/3d/fdk.cu | 3 |
1 files changed, 1 insertions, 2 deletions
diff --git a/cuda/3d/fdk.cu b/cuda/3d/fdk.cu index 1294721..92d3ef6 100644 --- a/cuda/3d/fdk.cu +++ b/cuda/3d/fdk.cu @@ -92,10 +92,9 @@ __global__ void devFDK_preweight(void* D_projData, unsigned int projPitch, unsig // pi / (2 * iProjAngles) : scaling of the integral over angles // fVoxSize ^ 2 : ... - const float fW1 = fSrcOrigin * fDetUSize * fDetVSize; const float fW2 = fCentralRayLength / (fDetUSize * fSrcOrigin); const float fW3 = fVoxSize * fVoxSize; - const float fW = fCentralRayLength * fW1 * fW1 * fW2 * fW3 * (M_PI / 2.0f) / (float)dims.iProjAngles; + const float fW = fCentralRayLength * fW2 * fW3 * (M_PI / 2.0f) / (float)dims.iProjAngles; for (int detectorV = startDetectorV; detectorV < endDetectorV; ++detectorV) { |