High-contrast impedance tomography

被引：36
|
作者：
Borcea, L
Berryman, JG
Papanicolaou, GC
机构：
[1] LAWRENCE LIVERMORE NATL LAB, DIV EARTH SCI, LIVERMORE, CA 94551 USA
[2] STANFORD UNIV, DEPT MATH, STANFORD, CA 94305 USA
来源：
INVERSE PROBLEMS | 1996年 / 12卷 / 06期
关键词：
D O I：
10.1088/0266-5611/12/6/003
中图分类号：
O29 [应用数学];
学科分类号：
070104 ;
摘要：
We introduce an output least-squares method for impedance tomography problems that have regions of high conductivity surrounded by regions of lower conductivity. The high conductivity is modelled on network approximation results from an asymptotic analysis and its recovery is based on this model. The smoothly varying part of the conductivity is recovered by a linearization process as is usual. We present the results of several numerical experiments that illustrate the performance of the method.
引用
收藏
页码：835 / 858
页数：24
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