Graphics processing unit parallel accelerated solution of the discrete ordinates for photon transport in biological tissues
文献类型：期刊论文
| 作者 | Peng, Kuan1,2; Gao, Xinbo2; Qu, Xiaochao1; Ren, Nunu1; Chen, Xueli1,2; He, Xiaowei1,5; Wang, Xiaorei4; Liang, Jimin1; Tian, Jie1,3
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| 刊名 | APPLIED OPTICS
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| 出版日期 | 2011-07-20 |
| 卷号 | 50期号:21页码:3808-3823 |
| 英文摘要 | As a widely used numerical solution for the radiation transport equation (RTE), the discrete ordinates can predict the propagation of photons through biological tissues more accurately relative to the diffusion equation. The discrete ordinates reduce the RTE to a serial of differential equations that can be solved by source iteration (SI). However, the tremendous time consumption of SI, which is partly caused by the expensive computation of each SI step, limits its applications. In this paper, we present a graphics processing unit (GPU) parallel accelerated SI method for discrete ordinates. Utilizing the calculation independence on the levels of the discrete ordinate equation and spatial element, the proposed method reduces the time cost of each SI step by parallel calculation. The photon reflection at the boundary was calculated based on the results of the last SI step to ensure the calculation independence on the level of the discrete ordinate equation. An element sweeping strategy was proposed to detect the calculation independence on the level of the spatial element. A GPU parallel frame called the compute unified device architecture was employed to carry out the parallel computation. The simulation experiments, which were carried out with a cylindrical phantom and numerical mouse, indicated that the time cost of each SI step can be reduced up to a factor of 228 by the proposed method with a GTX 260 graphics card. (C) 2011 Optical Society of America |
| WOS标题词 | Science & Technology ; Physical Sciences |
| 类目[WOS] | Optics |
| 研究领域[WOS] | Optics |
| 关键词[WOS] | RADIATIVE-TRANSFER EQUATION ; FLUORESCENCE TOMOGRAPHY ; FREQUENCY-DOMAIN ; LIGHT TRANSPORT ; RANDOM-MEDIA ; PROPAGATION ; SIMULATION ; ALGORITHM ; MIGRATION ; SYSTEM |
| 收录类别 | SCI |
| 语种 | 英语 |
| WOS记录号 | WOS:000292970600010 |
| 源URL | [http://ir.ia.ac.cn/handle/173211/3945]  |
| 专题 | 自动化研究所_中国科学院分子影像重点实验室 |
| 作者单位 | 1.Xidian Univ, Sch Life Sci & Technol, Life Sci Res Ctr, Xian 710071, Shaanxi, Peoples R China 2.Xidian Univ, Sch Elect Engn, Xian 710071, Shaanxi, Peoples R China 3.Chinese Acad Sci, Inst Automat, Beijing 100190, Peoples R China 4.Xidian Univ, Sch Comp Sci & Technol, Xian 710071, Shaanxi, Peoples R China 5.Northwest Univ, Sch Informat Sci & Technol, Xian 710069, Shaanxi, Peoples R China |
| 推荐引用方式 GB/T 7714 | Peng, Kuan,Gao, Xinbo,Qu, Xiaochao,et al. Graphics processing unit parallel accelerated solution of the discrete ordinates for photon transport in biological tissues[J]. APPLIED OPTICS,2011,50(21):3808-3823. |
| APA | Peng, Kuan.,Gao, Xinbo.,Qu, Xiaochao.,Ren, Nunu.,Chen, Xueli.,...&Tian, Jie.(2011).Graphics processing unit parallel accelerated solution of the discrete ordinates for photon transport in biological tissues.APPLIED OPTICS,50(21),3808-3823. |
| MLA | Peng, Kuan,et al."Graphics processing unit parallel accelerated solution of the discrete ordinates for photon transport in biological tissues".APPLIED OPTICS 50.21(2011):3808-3823. |
入库方式： OAI收割
来源：自动化研究所
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