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
|
/*
-----------------------------------------------------------------------
Copyright: 2010-2021, imec Vision Lab, University of Antwerp
2014-2021, 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_CGLS3D_H
#define _CUDA_CGLS3D_H
#include "algo3d.h"
namespace astraCUDA3d {
class _AstraExport CGLS : public ReconAlgo3D {
public:
CGLS();
~CGLS();
// bool setConeGeometry(const SDimensions3D& dims, const SConeProjection* projs);
bool enableVolumeMask();
bool enableSinogramMask();
// init should be called after setting all geometry
bool init();
// setVolumeMask should be called after init and before iterate,
// but only if enableVolumeMask was called before init.
// It may be called again after iterate.
bool setVolumeMask(cudaPitchedPtr& D_maskData);
// setSinogramMask should be called after init and before iterate,
// but only if enableSinogramMask was called before init.
// It may be called again after iterate.
bool setSinogramMask(cudaPitchedPtr& D_smaskData);
// setBuffers should be called after init and before iterate.
// It may be called again after iterate.
bool setBuffers(cudaPitchedPtr& D_volumeData,
cudaPitchedPtr& D_projData);
// set Min/Max constraints. They may be called at any time, and will affect
// any iterate() calls afterwards.
bool setMinConstraint(float fMin) { return false; }
bool setMaxConstraint(float fMax) { return false; }
// iterate should be called after init and setBuffers.
// It may be called multiple times.
bool iterate(unsigned int iterations);
// Compute the norm of the difference of the FP of the current reconstruction
// and the sinogram. (This performs one FP.)
// It can be called after iterate.
float computeDiffNorm();
protected:
void reset();
bool useVolumeMask;
bool useSinogramMask;
cudaPitchedPtr D_maskData;
cudaPitchedPtr D_smaskData;
// Input/output
cudaPitchedPtr D_sinoData;
cudaPitchedPtr D_volumeData;
// Temporary buffers
cudaPitchedPtr D_r;
cudaPitchedPtr D_w;
cudaPitchedPtr D_z;
cudaPitchedPtr D_p;
float gamma;
bool sliceInitialized;
};
_AstraExport bool doCGLS(cudaPitchedPtr D_volumeData, unsigned int volumePitch,
cudaPitchedPtr D_projData, unsigned int projPitch,
cudaPitchedPtr D_maskData, unsigned int maskPitch,
const SDimensions3D& dims, const SConeProjection* projs,
unsigned int iterations);
}
#endif
|
