GPU-optimized Direct Fourier Method for On-line Tomography

被引：5
作者：
Shkarin, Roman [1 ,2 ]
Ametova, Evelina [2 ]
Chilingaryan, Suren [1 ]
Dritschler, Timo [1 ]
Kopmann, Andreas [1 ]
Mirone, Alessandro [3 ]
Shkarin, Andrei [1 ]
Vogelgesang, Matthias [1 ]
Tsapko, Sergey [2 ]
机构：
[1] Karlsruhe Inst Technol, Inst Data Proc & Elect, D-76131 Baden, Switzerland
[2] Tomsk Polytech Univ, Dept Automat & Comp Syst, Tomsk, Russia
[3] European Synchrotron Radiat Facil, Grenoble, France
来源：
FUNDAMENTA INFORMATICAE | 2015年 / 141卷 / 2-3期
关键词：
computed tomography; image reconstruction; parallel-beam tomography; FFT; RECONSTRUCTION;
D O I：
10.3233/FI-2015-1274
中图分类号：
TP31 [计算机软件];
学科分类号：
081202 ; 0835 ;
摘要：
On-line monitoring of synchrotron 3D-imaging experiments requires very fast tomographic reconstruction. Direct Fourier methods (DFM) have the potential to be faster than standard Filtered Backprojection. We have evaluated multiple DFMs using various interpolation techniques. We compared reconstruction quality and studied the parallelization potential. A method using Direct Fourier Inversion (DFI) and a sinc-based interpolation was selected and parallelized for execution on GPUs. Several optimization steps were considered to boost the performance. Finally we evaluated the achieved performance for the latest generation of GPUs from NVIDIA and AMD. The results show that tomographic reconstruction with a throughput of more than 1.5 GB/sec on a single GPU is possible.
引用
收藏
页码：245 / 258
页数：14
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