Application of boundary element method in EEG

被引：0
|
作者：
Song, CY [1 ]
Bai, XM [1 ]
He, SJ [1 ]
Li, Y [1 ]
Rao, LY [1 ]
Yan, WL [1 ]
机构：
[1] Hebei Univ Technol, Dept Elect Engn & Automat, Tianjin, Peoples R China
来源：
IEEE-EMBS ASIA PACIFIC CONFERENCE ON BIOMEDICAL ENGINEERING - PROCEEDINGS, PTS 1 & 2 | 2000年
关键词：
Boundary Element Method (BEM); Electroencephalogram (EEG); four-shell volume-conductor model;
D O I：
暂无
中图分类号：
R318 [生物医学工程];
学科分类号：
0831 ;
摘要：
BEM is a numerical technique for calculating the surface potential generated by current sources located in a piecewise homogeneous volume conductor. Here we introduce the BEM theory and its discrete equations. Then research the factors affecting the accuracy of the BEM, such as: numerical approximations intrinsic to the BEM (for example: constant-potential basic function or linear-potential basic function); aspects of the volume conductor including the volume shape, density of surface elements, and element shape. Last present an improved local triangulation which can obtain a more accuracy in the potential changing obvious area.
引用
收藏
页码：642 / 643
页数：2
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