Modeling the volume conductor double Fourier series approximation versus spherical harmonic expansion

被引：0

作者：

Lafer, G ^{[1
]}

Wach, P ^{[1
]}

Tilg, B ^{[1
]}

机构：

[1] Graz Univ Technol, Inst Biomed Engn, Dept Biophys, A-8010 Graz, Austria

来源：

PROCEEDINGS OF THE 2ND INTERNATIONAL CONFERENCE ON BIOELECTROMAGNETISM | 1998年

关键词：

D O I：

10.1109/ICBEM.1998.666367

中图分类号：

R318 [生物医学工程];

学科分类号：

0831 ;

摘要：

A method for parametric description of boundary surfaces based on combined second order surface and double Fourier series approximation is presented. Gauss transformation is used to determine the best fitting parameters. The method is applied to approximate the conductivity interfaces of volume conductor models needed for solving the bioelectromagnetic forward and inverse problem. The attained quality of fit was compared to that obtained applying the surface harmonic expansion for modeling the volume conductor shape. In that case, the coefficients of expansion. are found by nonlinear least-squares fit.

引用

页码：5 / 6

页数：2