Using GPU to calculate electron dose for hybrid pencil beam model

被引：0

作者：

GOU Chengjun LI Xia HOU Qing WU Zhangwen Key Laboratory for Radiation Physics and Technology of Ministry of EducationInstitute of Nuclear Science and TechnologySichuan University Chengdu China ^{[610064
]}

机构：

来源：

NuclearScienceandTechniques | 2011年 / 22卷 / 06期

关键词：

GPU; HPBM; Dose calculation;

D O I：

10.13538/j.1001-8042/nst.22.349-352

中图分类号：

R815 [放射疗法];

学科分类号：

1001 ; 100105 ; 100207 ; 100602 ;

摘要：

<正>Hybrid pencil beam model(HPBM) offers an efficient approach to calculate the three-dimension dose distribution from a clinical electron beam.Still,clinical radiation treatment activity desires faster treatment plan process.Our work presented the fast implementation of HPBM-based electron dose calculation using graphics processing unit(GPU).The HPBM algorithm was implemented in compute unified device architecture running on the GPU,and C running on the CPU,respectively.Several tests with various sizes of the field,beamlet and voxel were used to evaluate our implementation.On an NVIDIA GeForce GTX470 GPU card,we achieved speedup factors of 2.18- 98.23 with acceptable accuracy,compared with the results from a Pentium E5500 2.80 GHz Dual-core CPU.

引用

页码：349 / 352

页数：4

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