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李光明 李树祥 吕庆文 江贵平
网格|链码|等剂量线|三维治疗计划|X刀
作者：李光明 李树祥 吕庆文 江贵平
单位：李光明 李树祥 吕庆文 江贵平；第一军医大学生物医学工程系医学图像全军重点实验室(广州 510515)
关键词：网格；链码；等剂量线；三维治疗计划；X刀
北京生物医学工程990104 摘 要 本文提出了一种称做链码法的等剂量线绘制的改进算法，该方法与传统的网格法相比，无需求解直线之间的交点和两点间的距离，大大地简化了计算量，同时该算法还能遍历所有可能的等剂量点，不会出现网格法中搜索死循环现象，有效地探索出了多个环形等剂量线。
An Improvement of Ploting Isodose Curve in
3D Planning Treatment
Li Guangming, Li Shuxiang, Lü Qingwen, Jiang Guiping
(The Medical Image Laboratory of PLA,Department of Biomedical Enineering, First Military Medical University,Guangzhou 510515)
Abstract Presented in this paper: an improving method,named linkcode-method,for ploting isodose curve in 3D planning treatment.Compared to the traditional net method.It is not nece-ssary to find solutions of the points of intersection of two straight lines and distances between two points,so the calculation is greatly simplied .And can search all possible isodose points and avoid endless cycling,that can happen in grid-method.Multi-ringlike isodose curves were found out. ......
单位：李光明 李树祥 吕庆文 江贵平；第一军医大学生物医学工程系医学图像全军重点实验室(广州 510515)
关键词：网格；链码；等剂量线；三维治疗计划；X刀
北京生物医学工程990104 摘 要 本文提出了一种称做链码法的等剂量线绘制的改进算法，该方法与传统的网格法相比，无需求解直线之间的交点和两点间的距离，大大地简化了计算量，同时该算法还能遍历所有可能的等剂量点，不会出现网格法中搜索死循环现象，有效地探索出了多个环形等剂量线。
An Improvement of Ploting Isodose Curve in
3D Planning Treatment
Li Guangming, Li Shuxiang, Lü Qingwen, Jiang Guiping
(The Medical Image Laboratory of PLA,Department of Biomedical Enineering, First Military Medical University,Guangzhou 510515)
Abstract Presented in this paper: an improving method,named linkcode-method,for ploting isodose curve in 3D planning treatment.Compared to the traditional net method.It is not nece-ssary to find solutions of the points of intersection of two straight lines and distances between two points,so the calculation is greatly simplied .And can search all possible isodose points and avoid endless cycling,that can happen in grid-method.Multi-ringlike isodose curves were found out. ......