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-rw-r--r--cuda/3d/fdk.cu3
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)
{