Optimal delivery of volumetric modulated arc therapy (VMAT) for moving target

被引：0
|
作者：
Behera, Sairam [1 ]
Daescu, Ovidiu [1 ]
Papiez, Lech [2 ]
机构：
[1] Univ Texas Dallas, Dept Comp Sci, Richardson, TX 75083 USA
[2] Univ Texas Southwestern Med Ctr Dallas, Dept Radiat Oncol, Dallas, TX 75390 USA
来源：
2011 IEEE INTERNATIONAL CONFERENCE ON BIOINFORMATICS AND BIOMEDICINE WORKSHOPS | 2011年
关键词：
VMAT; ArcTherapy; Dynamic Programming; graph theory;
D O I：
暂无
中图分类号：
TP39 [计算机的应用];
学科分类号：
081203 ; 0835 ;
摘要：
In this paper we discuss the problem of optimal efficiency delivery of VMAT arc therapy for moving targets that takes into account limitations of gantry speed and acceleration. First we propose a solution for static target and then we expand our solution for the moving target. The problem is modeled into a grid. The maximum speed at each grid point (t, g), where t is time and g is gantry angle, is calculated using the target velocity, leaf speeds, and other constraints. The optimal delivery efficiency, i.e. shortest delivery time of VMAT arc therapy for moving targets is calculated using dynamic programming.
引用
收藏
页码：297 / 304
页数：8
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