Efficient Born Iterative Method for Inverse Scattering Based on Modified Forward-Solver

被引：12

作者：

Wei, Teng-Fei ^{[1
]}

Wang, Xiao-Hua ^{[1
]}

Wang, Lei ^{[1
]}

Feng, Zhihong ^{[2
]}

Wang, Bing-Zhong ^{[1
]}

机构：

[1] Univ Elect Sci & Technol China, Sch Phys, Chengdu 610054, Peoples R China

[2] Hebei Semicond Res Inst, Natl Key Lab ASIC, Shijiazhuang 050051, Hebei, Peoples R China

来源：

IEEE ACCESS | 2020年 / 8卷

基金：

中国国家自然科学基金;

关键词：

Permittivity; Iterative methods; Inverse problems; Imaging; Acceleration; Green' s function methods; Receivers; Born iterative method; Born series; electromagnetic inverse scattering; microwave imaging; OBJECTS;

D O I：

10.1109/ACCESS.2020.3046264

中图分类号：

TP [自动化技术、计算机技术];

学科分类号：

0812 ;

摘要：

The traditional Born iterative method (BIM) and distorted Born iterative method (DBIM) are both effective for electromagnetic scattering inversion. But they are inefficient because of the computation of forward scattering problem in each iteration. In this paper, a modified forward-solver scheme based on Born series is proposed for improving the efficiency. By using this scheme, the traditional time-consuming forward scattering procedure, matrix inversion, is replaced by a simple multiplication with low computation complexity in each iteration. Numerical and experimental two-dimensional electromagnetic scattering models are used to validate the proposed method. The imaging results and CPU times indicate that the presented methods have good accuracy and can improve the efficiency greatly.

引用

页码：229101 / 229107

页数：7

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