An adaptive imaging algorithm for microwave diffraction tomography

Author

Paker, Selçuk ; Yazgan, Bingül

Author_Institution

Electr. & Electron. Eng. Fac., Istanbul Tech. Univ., Turkey

fYear

1994

fDate

12-14 Apr 1994

Firstpage

475

Abstract

A numerical method for image reconstruction using electromagnetic diffraction tomography is presented. An adaptive algorithm is proposed for the reconstruction of the complex permittivity of an inhomogeneous lossy dielectric object having arbitrary shape. Starting from integral representations of the scattered electric field and using the moment method, an algorithm based on LMS is applied to the two dimensional problem. Some results of the simulated data are presented. Finally the authors show that successful results can be obtained with this adaptive reconstruction algorithm

Keywords

adaptive signal processing; dielectric materials; electromagnetic wave diffraction; image reconstruction; least mean squares methods; method of moments; microwave imaging; permittivity; tomography; adaptive imaging algorithm; adaptive reconstruction algorithm; complex permittivity; electromagnetic diffraction tomography; image reconstruction; inhomogeneous lossy dielectric object; integral representations; microwave diffraction tomography; moment method; scattered electric field; two dimensional problem; Adaptive algorithm; Dielectric losses; Electromagnetic diffraction; Electromagnetic scattering; Image reconstruction; Microwave imaging; Nonuniform electric fields; Permittivity; Shape; Tomography;

fLanguage

English

Publisher

ieee

Conference_Titel

Electrotechnical Conference, 1994. Proceedings., 7th Mediterranean

Conference_Location

Antalya

Print_ISBN

0-7803-1772-6

Type

conf

DOI

10.1109/MELCON.1994.381054

Filename

381054