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| author | Willem Jan Palenstijn <wjp@usecode.org> | 2019-03-30 20:49:42 +0100 |
|---|---|---|
| committer | Willem Jan Palenstijn <Willem.Jan.Palenstijn@cwi.nl> | 2019-09-25 14:10:08 +0200 |
| commit | 48f4e7b165404a0375db300b9fe59da92edf1cce (patch) | |
| tree | 493a6f578d6b51baf0db79f898a5ed3e9a2074fc /cuda/2d/fbp.cu | |
| parent | 3cf63d335ebe392a8c77f0c90395c18150647aeb (diff) | |
| download | astra-48f4e7b165404a0375db300b9fe59da92edf1cce.tar.gz astra-48f4e7b165404a0375db300b9fe59da92edf1cce.tar.bz2 astra-48f4e7b165404a0375db300b9fe59da92edf1cce.tar.xz astra-48f4e7b165404a0375db300b9fe59da92edf1cce.zip | |
Adjust FBP to line integral scaling
Diffstat (limited to 'cuda/2d/fbp.cu')
| -rw-r--r-- | cuda/2d/fbp.cu | 5 |
1 files changed, 2 insertions, 3 deletions
diff --git a/cuda/2d/fbp.cu b/cuda/2d/fbp.cu index a5b8a7a..65f1d68 100644 --- a/cuda/2d/fbp.cu +++ b/cuda/2d/fbp.cu @@ -321,15 +321,14 @@ bool FBP::iterate(unsigned int iterations) if (fanProjs) { float fOutputScale = 1.0 / (/*fPixelSize * fPixelSize * fPixelSize * */ fFanDetSize * fFanDetSize); - ok = FanBP_FBPWeighted(D_volumeData, volumePitch, D_sinoData, sinoPitch, dims, fanProjs, fOutputScale); + ok = FanBP_FBPWeighted(D_volumeData, volumePitch, D_sinoData, sinoPitch, dims, fanProjs, fOutputScale * this->fOutputScale); } else { // scale by number of angles. For the fan-beam case, this is already // handled by FDK_PreWeight float fOutputScale = (M_PI / 2.0f) / (float)dims.iProjAngles; - //fOutputScale /= fDetSize * fDetSize; - ok = BP(D_volumeData, volumePitch, D_sinoData, sinoPitch, dims, parProjs, fOutputScale); + ok = BP(D_volumeData, volumePitch, D_sinoData, sinoPitch, dims, parProjs, fOutputScale * this->fOutputScale); } if(!ok) { |