1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
|
/*
-----------------------------------------------------------------------
Copyright: 2010-2016, iMinds-Vision Lab, University of Antwerp
2014-2016, CWI, Amsterdam
Contact: astra@uantwerpen.be
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);
}
#endif
|
