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/*
-----------------------------------------------------------------------
Copyright: 2010-2018, imec Vision Lab, University of Antwerp
2014-2018, CWI, Amsterdam
Contact: astra@astra-toolbox.com
Website: http://www.astra-toolbox.com/
This file is part of the ASTRA Toolbox.
The ASTRA Toolbox is free software: you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation, either version 3 of the License, or
(at your option) any later version.
The ASTRA Toolbox is distributed in the hope that it will be useful,
but WITHOUT ANY WARRANTY; without even the implied warranty of
MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
GNU General Public License for more details.
You should have received a copy of the GNU General Public License
along with the ASTRA Toolbox. If not, see <http://www.gnu.org/licenses/>.
-----------------------------------------------------------------------
*/
#ifndef _CUDA_ASTRA_H
#define _CUDA_ASTRA_H
#include "fbp_filters.h"
#include "dims.h"
#include "algo.h"
using astraCUDA::SFanProjection;
namespace astra {
enum Cuda2DProjectionKernel {
ker2d_default = 0
};
class CParallelProjectionGeometry2D;
class CParallelVecProjectionGeometry2D;
class CFanFlatProjectionGeometry2D;
class CFanFlatVecProjectionGeometry2D;
class CVolumeGeometry2D;
class CProjectionGeometry2D;
class _AstraExport BPalgo : public astraCUDA::ReconAlgo {
public:
BPalgo();
~BPalgo();
virtual bool init();
virtual bool iterate(unsigned int iterations);
virtual float computeDiffNorm();
};
// TODO: Clean up this interface to FP
// Do a single forward projection
_AstraExport bool astraCudaFP(const float* pfVolume, float* pfSinogram,
unsigned int iVolWidth, unsigned int iVolHeight,
unsigned int iProjAngles, unsigned int iProjDets,
const SParProjection *pAngles,
unsigned int iDetSuperSampling = 1,
float fOutputScale = 1.0f, int iGPUIndex = 0);
_AstraExport bool astraCudaFanFP(const float* pfVolume, float* pfSinogram,
unsigned int iVolWidth, unsigned int iVolHeight,
unsigned int iProjAngles, unsigned int iProjDets,
const SFanProjection *pAngles,
unsigned int iDetSuperSampling = 1,
float fOutputScale = 1.0f, int iGPUIndex = 0);
_AstraExport bool convertAstraGeometry(const CVolumeGeometry2D* pVolGeom,
const CParallelProjectionGeometry2D* pProjGeom,
astraCUDA::SParProjection*& pProjs,
float& fOutputScale);
_AstraExport bool convertAstraGeometry(const CVolumeGeometry2D* pVolGeom,
const CParallelVecProjectionGeometry2D* pProjGeom,
astraCUDA::SParProjection*& pProjs,
float& fOutputScale);
_AstraExport bool convertAstraGeometry(const CVolumeGeometry2D* pVolGeom,
const CFanFlatProjectionGeometry2D* pProjGeom,
astraCUDA::SFanProjection*& pProjs,
float& outputScale);
_AstraExport bool convertAstraGeometry(const CVolumeGeometry2D* pVolGeom,
const CFanFlatVecProjectionGeometry2D* pProjGeom,
astraCUDA::SFanProjection*& pProjs,
float& outputScale);
_AstraExport bool convertAstraGeometry_dims(const CVolumeGeometry2D* pVolGeom,
const CProjectionGeometry2D* pProjGeom,
astraCUDA::SDimensions& dims);
_AstraExport bool convertAstraGeometry(const CVolumeGeometry2D* pVolGeom,
const CProjectionGeometry2D* pProjGeom,
astraCUDA::SParProjection*& pParProjs,
astraCUDA::SFanProjection*& pFanProjs,
float& outputScale);
}
namespace astraCUDA {
// Return string with CUDA device number, name and memory size.
// Use device == -1 to get info for the current device.
_AstraExport std::string getCudaDeviceString(int device);
_AstraExport bool setGPUIndex(int index);
_AstraExport size_t availableGPUMemory();
}
#endif
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