//----------------------------------------------------------------------------------------
// Iterate
void CCudaBackProjectionAlgorithm3D::run(int _iNrIterations)
{
// check initialized
ASTRA_ASSERT(m_bIsInitialized);
CFloat32ProjectionData3DMemory* pSinoMem = dynamic_cast<CFloat32ProjectionData3DMemory*>(m_pSinogram);
ASTRA_ASSERT(pSinoMem);
CFloat32VolumeData3DMemory* pReconMem = dynamic_cast<CFloat32VolumeData3DMemory*>(m_pReconstruction);
ASTRA_ASSERT(pReconMem);
const CProjectionGeometry3D* projgeom = pSinoMem->getGeometry();
const CVolumeGeometry3D& volgeom = *pReconMem->getGeometry();
if (m_bSIRTWeighting) {
astraCudaBP_SIRTWeighted(pReconMem->getData(),
pSinoMem->getDataConst(),
&volgeom, projgeom,
m_iGPUIndex, m_iVoxelSuperSampling);
} else {
#if 1
CCompositeGeometryManager cgm;
cgm.doBP(m_pProjector, pReconMem, pSinoMem);
#else
astraCudaBP(pReconMem->getData(), pSinoMem->getDataConst(),
&volgeom, projgeom,
m_iGPUIndex, m_iVoxelSuperSampling);
#endif
}
}
//----------------------------------------------------------------------------------------
// Iterate
void CCudaFDKAlgorithm3D::run(int _iNrIterations)
{
// check initialized
ASTRA_ASSERT(m_bIsInitialized);
const CProjectionGeometry3D* projgeom = m_pSinogram->getGeometry();
const CConeProjectionGeometry3D* conegeom = dynamic_cast<const CConeProjectionGeometry3D*>(projgeom);
const CVolumeGeometry3D& volgeom = *m_pReconstruction->getGeometry();
ASTRA_ASSERT(conegeom);
CFloat32ProjectionData3DMemory* pSinoMem = dynamic_cast<CFloat32ProjectionData3DMemory*>(m_pSinogram);
ASTRA_ASSERT(pSinoMem);
CFloat32VolumeData3DMemory* pReconMem = dynamic_cast<CFloat32VolumeData3DMemory*>(m_pReconstruction);
ASTRA_ASSERT(pReconMem);
bool ok = true;
ok = astraCudaFDK(pReconMem->getData(), pSinoMem->getDataConst(),
&volgeom, conegeom,
m_bShortScan, m_iGPUIndex, m_iVoxelSuperSampling);
ASTRA_ASSERT(ok);
}
//----------------------------------------------------------------------------------------
// Iterate
void CCudaSirtAlgorithm3D::run(int _iNrIterations)
{
// check initialized
ASTRA_ASSERT(m_bIsInitialized);
const CProjectionGeometry3D* projgeom = m_pSinogram->getGeometry();
const CVolumeGeometry3D& volgeom = *m_pReconstruction->getGeometry();
bool ok = true;
if (!m_bAstraSIRTInit) {
ok &= m_pSirt->setGPUIndex(m_iGPUIndex);
ok &= m_pSirt->setGeometry(&volgeom, projgeom);
ok &= m_pSirt->enableSuperSampling(m_iVoxelSuperSampling, m_iDetectorSuperSampling);
if (m_bUseReconstructionMask)
ok &= m_pSirt->enableVolumeMask();
if (m_bUseSinogramMask)
ok &= m_pSirt->enableSinogramMask();
ASTRA_ASSERT(ok);
ok &= m_pSirt->init();
ASTRA_ASSERT(ok);
m_bAstraSIRTInit = true;
}
CFloat32ProjectionData3DMemory* pSinoMem = dynamic_cast<CFloat32ProjectionData3DMemory*>(m_pSinogram);
ASTRA_ASSERT(pSinoMem);
ok = m_pSirt->setSinogram(pSinoMem->getDataConst(), m_pSinogram->getGeometry()->getDetectorColCount());
ASTRA_ASSERT(ok);
if (m_bUseReconstructionMask) {
CFloat32VolumeData3DMemory* pRMaskMem = dynamic_cast<CFloat32VolumeData3DMemory*>(m_pReconstructionMask);
ASTRA_ASSERT(pRMaskMem);
ok &= m_pSirt->setVolumeMask(pRMaskMem->getDataConst(), volgeom.getGridColCount());
}
if (m_bUseSinogramMask) {
CFloat32ProjectionData3DMemory* pSMaskMem = dynamic_cast<CFloat32ProjectionData3DMemory*>(m_pSinogramMask);
ASTRA_ASSERT(pSMaskMem);
ok &= m_pSirt->setSinogramMask(pSMaskMem->getDataConst(), m_pSinogramMask->getGeometry()->getDetectorColCount());
}
CFloat32VolumeData3DMemory* pReconMem = dynamic_cast<CFloat32VolumeData3DMemory*>(m_pReconstruction);
ASTRA_ASSERT(pReconMem);
ok &= m_pSirt->setStartReconstruction(pReconMem->getDataConst(),
volgeom.getGridColCount());
ASTRA_ASSERT(ok);
if (m_bUseMinConstraint)
ok &= m_pSirt->setMinConstraint(m_fMinValue);
if (m_bUseMaxConstraint)
ok &= m_pSirt->setMaxConstraint(m_fMaxValue);
ok &= m_pSirt->iterate(_iNrIterations);
ASTRA_ASSERT(ok);
ok &= m_pSirt->getReconstruction(pReconMem->getData(),
volgeom.getGridColCount());
ASTRA_ASSERT(ok);
}
//----------------------------------------------------------------------------------------
// Iterate
void CCudaBackProjectionAlgorithm3D::run(int _iNrIterations)
{
// check initialized
ASTRA_ASSERT(m_bIsInitialized);
CFloat32ProjectionData3DMemory* pSinoMem = dynamic_cast<CFloat32ProjectionData3DMemory*>(m_pSinogram);
ASTRA_ASSERT(pSinoMem);
CFloat32VolumeData3DMemory* pReconMem = dynamic_cast<CFloat32VolumeData3DMemory*>(m_pReconstruction);
ASTRA_ASSERT(pReconMem);
const CProjectionGeometry3D* projgeom = pSinoMem->getGeometry();
const CConeProjectionGeometry3D* conegeom = dynamic_cast<const CConeProjectionGeometry3D*>(projgeom);
const CParallelProjectionGeometry3D* par3dgeom = dynamic_cast<const CParallelProjectionGeometry3D*>(projgeom);
const CConeVecProjectionGeometry3D* conevecgeom = dynamic_cast<const CConeVecProjectionGeometry3D*>(projgeom);
const CParallelVecProjectionGeometry3D* parvec3dgeom = dynamic_cast<const CParallelVecProjectionGeometry3D*>(projgeom);
const CVolumeGeometry3D& volgeom = *pReconMem->getGeometry();
if (conegeom) {
astraCudaConeBP(pReconMem->getData(), pSinoMem->getDataConst(),
volgeom.getGridColCount(),
volgeom.getGridRowCount(),
volgeom.getGridSliceCount(),
conegeom->getProjectionCount(),
conegeom->getDetectorColCount(),
conegeom->getDetectorRowCount(),
conegeom->getOriginSourceDistance(),
conegeom->getOriginDetectorDistance(),
conegeom->getDetectorSpacingX(),
conegeom->getDetectorSpacingY(),
conegeom->getProjectionAngles(),
m_iGPUIndex, m_iVoxelSuperSampling);
} else if (par3dgeom) {
if (!m_bSIRTWeighting) {
astraCudaPar3DBP(pReconMem->getData(), pSinoMem->getDataConst(),
volgeom.getGridColCount(),
volgeom.getGridRowCount(),
volgeom.getGridSliceCount(),
par3dgeom->getProjectionCount(),
par3dgeom->getDetectorColCount(),
par3dgeom->getDetectorRowCount(),
par3dgeom->getDetectorSpacingX(),
par3dgeom->getDetectorSpacingY(),
par3dgeom->getProjectionAngles(),
m_iGPUIndex, m_iVoxelSuperSampling);
} else {
astraCudaPar3DBP_SIRTWeighted(pReconMem->getData(),
pSinoMem->getDataConst(),
volgeom.getGridColCount(),
volgeom.getGridRowCount(),
volgeom.getGridSliceCount(),
par3dgeom->getProjectionCount(),
par3dgeom->getDetectorColCount(),
par3dgeom->getDetectorRowCount(),
par3dgeom->getDetectorSpacingX(),
par3dgeom->getDetectorSpacingY(),
par3dgeom->getProjectionAngles(),
m_iGPUIndex, m_iVoxelSuperSampling);
}
} else if (parvec3dgeom) {
if (!m_bSIRTWeighting) {
astraCudaPar3DBP(pReconMem->getData(), pSinoMem->getDataConst(),
volgeom.getGridColCount(),
volgeom.getGridRowCount(),
volgeom.getGridSliceCount(),
parvec3dgeom->getProjectionCount(),
parvec3dgeom->getDetectorColCount(),
parvec3dgeom->getDetectorRowCount(),
parvec3dgeom->getProjectionVectors(),
m_iGPUIndex, m_iVoxelSuperSampling);
} else {
astraCudaPar3DBP_SIRTWeighted(pReconMem->getData(),
pSinoMem->getDataConst(),
volgeom.getGridColCount(),
volgeom.getGridRowCount(),
volgeom.getGridSliceCount(),
parvec3dgeom->getProjectionCount(),
parvec3dgeom->getDetectorColCount(),
parvec3dgeom->getDetectorRowCount(),
parvec3dgeom->getProjectionVectors(),
m_iGPUIndex, m_iVoxelSuperSampling);
}
} else if (conevecgeom) {
astraCudaConeBP(pReconMem->getData(), pSinoMem->getDataConst(),
volgeom.getGridColCount(),
volgeom.getGridRowCount(),
volgeom.getGridSliceCount(),
conevecgeom->getProjectionCount(),
conevecgeom->getDetectorColCount(),
conevecgeom->getDetectorRowCount(),
conevecgeom->getProjectionVectors(),
m_iGPUIndex, m_iVoxelSuperSampling);
} else {
ASTRA_ASSERT(false);
}
}