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
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
|
/*
-----------------------------------------------------------------------
Copyright: 2010-2016, iMinds-Vision Lab, University of Antwerp
2014-2016, 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/>.
-----------------------------------------------------------------------
*/
#ifdef ASTRA_CUDA
#include "astra/CudaSirtAlgorithm.h"
#include "astra/AstraObjectManager.h"
#include "../cuda/2d/sirt.h"
using namespace std;
namespace astra {
// type of the algorithm, needed to register with CAlgorithmFactory
std::string CCudaSirtAlgorithm::type = "SIRT_CUDA";
//----------------------------------------------------------------------------------------
// Constructor
CCudaSirtAlgorithm::CCudaSirtAlgorithm()
{
m_bIsInitialized = false;
CCudaReconstructionAlgorithm2D::_clear();
m_pMinMask = 0;
m_pMaxMask = 0;
m_fLambda = 1.0f;
}
//----------------------------------------------------------------------------------------
// Destructor
CCudaSirtAlgorithm::~CCudaSirtAlgorithm()
{
// The actual work is done by ~CCudaReconstructionAlgorithm2D
m_pMinMask = 0;
m_pMaxMask = 0;
}
//---------------------------------------------------------------------------------------
// Initialize - Config
bool CCudaSirtAlgorithm::initialize(const Config& _cfg)
{
ASTRA_ASSERT(_cfg.self);
ConfigStackCheck<CAlgorithm> CC("CudaSirtAlgorithm", this, _cfg);
m_bIsInitialized = CCudaReconstructionAlgorithm2D::initialize(_cfg);
if (!m_bIsInitialized)
return false;
// min/max masks
if (_cfg.self.hasOption("MinMaskId")) {
int id = _cfg.self.getOptionInt("MinMaskId");
m_pMinMask = dynamic_cast<CFloat32VolumeData2D*>(CData2DManager::getSingleton().get(id));
}
CC.markOptionParsed("MinMaskId");
if (_cfg.self.hasOption("MaxMaskId")) {
int id = _cfg.self.getOptionInt("MaxMaskId");
m_pMaxMask = dynamic_cast<CFloat32VolumeData2D*>(CData2DManager::getSingleton().get(id));
}
CC.markOptionParsed("MaxMaskId");
m_fLambda = _cfg.self.getOptionNumerical("Relaxation", 1.0f);
CC.markOptionParsed("Relaxation");
m_pAlgo = new astraCUDA::SIRT();
m_bAlgoInit = false;
return true;
}
//---------------------------------------------------------------------------------------
// Initialize - C++
bool CCudaSirtAlgorithm::initialize(CProjector2D* _pProjector,
CFloat32ProjectionData2D* _pSinogram,
CFloat32VolumeData2D* _pReconstruction)
{
m_bIsInitialized = CCudaReconstructionAlgorithm2D::initialize(_pProjector, _pSinogram, _pReconstruction);
if (!m_bIsInitialized)
return false;
m_pAlgo = new astraCUDA::SIRT();
m_bAlgoInit = false;
m_fLambda = 1.0f;
return true;
}
//----------------------------------------------------------------------------------------
void CCudaSirtAlgorithm::initCUDAAlgorithm()
{
CCudaReconstructionAlgorithm2D::initCUDAAlgorithm();
astraCUDA::SIRT* pSirt = dynamic_cast<astraCUDA::SIRT*>(m_pAlgo);
if (m_pMinMask || m_pMaxMask) {
const CVolumeGeometry2D& volgeom = *m_pReconstruction->getGeometry();
const float *pfMinMaskData = 0;
const float *pfMaxMaskData = 0;
if (m_pMinMask) pfMinMaskData = m_pMinMask->getDataConst();
if (m_pMaxMask) pfMaxMaskData = m_pMaxMask->getDataConst();
bool ok = pSirt->uploadMinMaxMasks(pfMinMaskData, pfMaxMaskData, volgeom.getGridColCount());
ASTRA_ASSERT(ok);
}
pSirt->setRelaxation(m_fLambda);
}
} // namespace astra
#endif // ASTRA_CUDA
|
