From 48f4e7b165404a0375db300b9fe59da92edf1cce Mon Sep 17 00:00:00 2001 From: Willem Jan Palenstijn <wjp@usecode.org> Date: Sat, 30 Mar 2019 20:49:42 +0100 Subject: Adjust FBP to line integral scaling --- include/astra/cuda/2d/algo.h | 7 +++++-- include/astra/cuda/2d/cgls.h | 2 +- 2 files changed, 6 insertions(+), 3 deletions(-) (limited to 'include/astra/cuda/2d') diff --git a/include/astra/cuda/2d/algo.h b/include/astra/cuda/2d/algo.h index 3fccdef..b6ec231 100644 --- a/include/astra/cuda/2d/algo.h +++ b/include/astra/cuda/2d/algo.h @@ -56,6 +56,10 @@ public: bool setSuperSampling(int raysPerDet, int raysPerPixelDim); + // Scale the final reconstruction. + // May be called at any time after setGeometry and before iterate(). Multiple calls stack. + bool setReconstructionScale(float fScale); + virtual bool enableVolumeMask(); virtual bool enableSinogramMask(); @@ -88,8 +92,7 @@ public: // sinogram, reconstruction, volume mask and sinogram mask in system RAM, // respectively. The corresponding pitch variables give the pitches // of these buffers, measured in floats. - // The sinogram is multiplied by fSinogramScale after uploading it. - virtual bool copyDataToGPU(const float* pfSinogram, unsigned int iSinogramPitch, float fSinogramScale, + virtual bool copyDataToGPU(const float* pfSinogram, unsigned int iSinogramPitch, const float* pfReconstruction, unsigned int iReconstructionPitch, const float* pfVolMask, unsigned int iVolMaskPitch, const float* pfSinoMask, unsigned int iSinoMaskPitch); diff --git a/include/astra/cuda/2d/cgls.h b/include/astra/cuda/2d/cgls.h index 375a425..a854a74 100644 --- a/include/astra/cuda/2d/cgls.h +++ b/include/astra/cuda/2d/cgls.h @@ -47,7 +47,7 @@ public: virtual bool setBuffers(float* D_volumeData, unsigned int volumePitch, float* D_projData, unsigned int projPitch); - virtual bool copyDataToGPU(const float* pfSinogram, unsigned int iSinogramPitch, float fSinogramScale, + virtual bool copyDataToGPU(const float* pfSinogram, unsigned int iSinogramPitch, const float* pfReconstruction, unsigned int iReconstructionPitch, const float* pfVolMask, unsigned int iVolMaskPitch, const float* pfSinoMask, unsigned int iSinoMaskPitch); -- cgit v1.2.3