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

页码：642 / 643

页数：2

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