An iterative approach to the solution of the inverse problem

被引：19

作者：

Srebro, R

机构：

[1] Department of Ophthalmology, University of Texas, Southwestern Medical School, Dallas, TX 75235

来源：

ELECTROENCEPHALOGRAPHY AND CLINICAL NEUROPHYSIOLOGY | 1996年 / 98卷 / 04期

关键词：

electromagnetic fields; inverse problem; regularization; functional brain imaging;

D O I：

10.1016/0013-4694(95)00263-4

中图分类号：

R318 [生物医学工程];

学科分类号：

0831 ;

摘要：

The bioelectric inverse problem is framed as a search through a feasible set of solutions for one that is physiologically plausible. The definition of the feasible set of solutions takes into account the important effects of measurement noise. This leads to an iterative approach. At each step, a regularized inverse is used to limit the amount of brain that need be searched in the next step. The approach is tested in a model system that incorporates a digitized cadaver cortex into a 3-shell spherical replica of the head.

引用

页码：349 / 362

页数：14

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