From 18d12242207d1113c3015b451f522531168e626a Mon Sep 17 00:00:00 2001 From: Willem Jan Palenstijn Date: Wed, 11 Mar 2015 17:27:44 +0100 Subject: Add flexible volgeom3d support to astraCudaBP_SIRTWeighted --- cuda/3d/astra3d.cu | 95 ++++++++++++++++++++---------------------------------- cuda/3d/astra3d.h | 23 ++----------- 2 files changed, 38 insertions(+), 80 deletions(-) (limited to 'cuda') diff --git a/cuda/3d/astra3d.cu b/cuda/3d/astra3d.cu index eff928d..2f7ea99 100644 --- a/cuda/3d/astra3d.cu +++ b/cuda/3d/astra3d.cu @@ -306,7 +306,7 @@ bool convertAstraGeometry(const CVolumeGeometry3D* pVolGeom, bool convertAstraGeometry(const CVolumeGeometry3D* pVolGeom, - const CConeVecProjectionGeometry3D* pProjGeom, + const CProjectionGeometry3D* pProjGeom, SPar3DProjection*& pParProjs, SConeProjection*& pConeProjs, float& fOutputScale) @@ -322,13 +322,13 @@ bool convertAstraGeometry(const CVolumeGeometry3D* pVolGeom, bool ok; if (conegeom) { - ok = convertAstraGeometry(pVolGeom, conegeom, pConeProjs, outputScale); + ok = convertAstraGeometry(pVolGeom, conegeom, pConeProjs, fOutputScale); } else if (conevec3dgeom) { - ok = convertAstraGeometry(pVolGeom, conevec3dgeom, pConeProjs, outputScale); + ok = convertAstraGeometry(pVolGeom, conevec3dgeom, pConeProjs, fOutputScale); } else if (par3dgeom) { - ok = convertAstraGeometry(pVolGeom, par3dgeom, pParProjs, outputScale); + ok = convertAstraGeometry(pVolGeom, par3dgeom, pParProjs, fOutputScale); } else if (parvec3dgeom) { - ok = convertAstraGeometry(pVolGeom, parvec3dgeom, pParProjs, outputScale); + ok = convertAstraGeometry(pVolGeom, parvec3dgeom, pParProjs, fOutputScale); } else { ok = false; } @@ -1471,40 +1471,6 @@ bool astraCudaPar3DBP(float* pfVolume, const float* pfProjections, return ok; } -// This computes the column weights, divides by them, and adds the -// result to the current volume. This is both more expensive and more -// GPU memory intensive than the regular BP, but allows saving system RAM. -bool astraCudaPar3DBP_SIRTWeighted(float* pfVolume, const float* pfProjections, - unsigned int iVolX, - unsigned int iVolY, - unsigned int iVolZ, - unsigned int iProjAngles, - unsigned int iProjU, - unsigned int iProjV, - float fDetUSize, - float fDetVSize, - const float *pfAngles, - int iGPUIndex, int iVoxelSuperSampling) -{ - if (iVolX == 0 || iVolY == 0 || iVolZ == 0) - return false; - if (iProjAngles == 0 || iProjU == 0 || iProjV == 0 || pfAngles == 0) - return false; - - SPar3DProjection* p = genPar3DProjections(iProjAngles, - iProjU, iProjV, - fDetUSize, fDetVSize, - pfAngles); - - bool ok; - ok = astraCudaPar3DBP_SIRTWeighted(pfVolume, pfProjections, iVolX, iVolY, iVolZ, - iProjAngles, iProjU, iProjV, p, iGPUIndex, iVoxelSuperSampling); - - delete[] p; - - return ok; -} - bool astraCudaPar3DBP(float* pfVolume, const float* pfProjections, unsigned int iVolX, @@ -1582,33 +1548,30 @@ bool astraCudaPar3DBP(float* pfVolume, const float* pfProjections, // This computes the column weights, divides by them, and adds the // result to the current volume. This is both more expensive and more // GPU memory intensive than the regular BP, but allows saving system RAM. -bool astraCudaPar3DBP_SIRTWeighted(float* pfVolume, +bool astraCudaBP_SIRTWeighted(float* pfVolume, const float* pfProjections, - unsigned int iVolX, - unsigned int iVolY, - unsigned int iVolZ, - unsigned int iProjAngles, - unsigned int iProjU, - unsigned int iProjV, - const SPar3DProjection *pfAngles, + const CVolumeGeometry3D* pVolGeom, + const CProjectionGeometry3D* pProjGeom, int iGPUIndex, int iVoxelSuperSampling) { SDimensions3D dims; - dims.iVolX = iVolX; - dims.iVolY = iVolY; - dims.iVolZ = iVolZ; - if (iVolX == 0 || iVolY == 0 || iVolZ == 0) + bool ok = convertAstraGeometry_dims(pVolGeom, pProjGeom, dims); + if (!ok) return false; - dims.iProjAngles = iProjAngles; - dims.iProjU = iProjU; - dims.iProjV = iProjV; + dims.iRaysPerVoxelDim = iVoxelSuperSampling; - if (iProjAngles == 0 || iProjU == 0 || iProjV == 0 || pfAngles == 0) - return false; + SPar3DProjection* pParProjs; + SConeProjection* pConeProjs; - dims.iRaysPerVoxelDim = iVoxelSuperSampling; + float outputScale; + + ok = convertAstraGeometry(pVolGeom, pProjGeom, + pParProjs, pConeProjs, + outputScale); + + // TODO: OutputScale if (iGPUIndex != -1) { cudaSetDevice(iGPUIndex); @@ -1621,7 +1584,7 @@ bool astraCudaPar3DBP_SIRTWeighted(float* pfVolume, cudaPitchedPtr D_pixelWeight = allocateVolumeData(dims); - bool ok = D_pixelWeight.ptr; + ok = D_pixelWeight.ptr; if (!ok) return false; @@ -1643,7 +1606,12 @@ bool astraCudaPar3DBP_SIRTWeighted(float* pfVolume, // Compute weights ok &= zeroVolumeData(D_pixelWeight, dims); processSino3D(D_projData, 1.0f, dims); - ok &= Par3DBP(D_pixelWeight, D_projData, dims, pfAngles); + + if (pParProjs) + ok &= Par3DBP(D_pixelWeight, D_projData, dims, pParProjs); + else + ok &= ConeBP(D_pixelWeight, D_projData, dims, pConeProjs); + processVol3D(D_pixelWeight, dims); if (!ok) { cudaFree(D_pixelWeight.ptr); @@ -1656,7 +1624,11 @@ bool astraCudaPar3DBP_SIRTWeighted(float* pfVolume, dims, dims.iProjU); ok &= zeroVolumeData(D_volumeData, dims); // Do BP into D_volumeData - ok &= Par3DBP(D_volumeData, D_projData, dims, pfAngles); + if (pParProjs) + ok &= Par3DBP(D_volumeData, D_projData, dims, pParProjs); + else + ok &= ConeBP(D_volumeData, D_projData, dims, pConeProjs); + // Multiply with weights processVol3D(D_volumeData, D_pixelWeight, dims); @@ -1679,6 +1651,9 @@ bool astraCudaPar3DBP_SIRTWeighted(float* pfVolume, cudaFree(D_volumeData.ptr); cudaFree(D_projData.ptr); + delete[] pParProjs; + delete[] pConeProjs; + return ok; } diff --git a/cuda/3d/astra3d.h b/cuda/3d/astra3d.h index 6bac8b2..b2e4e08 100644 --- a/cuda/3d/astra3d.h +++ b/cuda/3d/astra3d.h @@ -378,26 +378,9 @@ _AstraExport bool astraCudaPar3DBP(float* pfVolume, const float* pfProjections, const SPar3DProjection *pfAngles, int iGPUIndex, int iVoxelSuperSampling); -_AstraExport bool astraCudaPar3DBP_SIRTWeighted(float* pfVolume, const float* pfProjections, - unsigned int iVolX, - unsigned int iVolY, - unsigned int iVolZ, - unsigned int iProjAngles, - unsigned int iProjU, - unsigned int iProjV, - float fDetUSize, - float fDetVSize, - const float *pfAngles, - int iGPUIndex, int iVoxelSuperSampling); - -_AstraExport bool astraCudaPar3DBP_SIRTWeighted(float* pfVolume, const float* pfProjections, - unsigned int iVolX, - unsigned int iVolY, - unsigned int iVolZ, - unsigned int iProjAngles, - unsigned int iProjU, - unsigned int iProjV, - const SPar3DProjection *pfAngles, +_AstraExport bool astraCudaBP_SIRTWeighted(float* pfVolume, const float* pfProjections, + const CVolumeGeometry3D* pVolGeom, + const CProjectionGeometry3D* pProjGeom, int iGPUIndex, int iVoxelSuperSampling); _AstraExport bool astraCudaFDK(float* pfVolume, const float* pfProjections, -- cgit v1.2.3