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http://dx.doi.org/10.5207/JIEIE.2005.19.3.119

A Comparison of Image Reconstruction Techniques for Electrical Resistance Tomography  

Kim, Ho-Chan (제주대학교 전기전자공학부)
Boo, Chang-Jin (제주대학교 전기전자공학부)
Lee, Yoon-Joon (제주대학교 전기전자공학부)
Publication Information
Journal of the Korean Institute of Illuminating and Electrical Installation Engineers / v.19, no.3, 2005 , pp. 119-126 More about this Journal
Abstract
Electrical resistance tomography(ERT) maps resistivity values of the soil subsurface and characterizes buried objects. The characterization includes location, size and resistivity of buried objects. In this paper, Gauss-Newton, truncated least squares(TLS) and simultaneous iterative reconstruction technique(SIRT) methods are presented for the solution of the ERT image reconstruction. Computer simulations show that the spatial resolution of the reconstructed images by the TLS approach is improved as compared to those obtained by the Gauss-Newton and SIRT method.
Keywords
Electrical resistance tomography; Inverse problem; Nondestructive imaging; Gauss-Newton method; TLS method; SIRT method;
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