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 Education
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：
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
收藏
页码：349 / 352
页数：4
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