Title :
An adaptive imaging algorithm for microwave diffraction tomography
Author :
Paker, Selçuk ; Yazgan, Bingül
Author_Institution :
Electr. & Electron. Eng. Fac., Istanbul Tech. Univ., Turkey
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;
Conference_Titel :
Electrotechnical Conference, 1994. Proceedings., 7th Mediterranean
Conference_Location :
Antalya
Print_ISBN :
0-7803-1772-6
DOI :
10.1109/MELCON.1994.381054
