Please use this identifier to cite or link to this item: https://doi.org/10.1109/URSIGASS.2011.6050367
Title: Enhancing subspace-based inversions through an efficient multi-scaling scheme
Authors: Oliveri, G.
Zhong, Y. 
Chen, X. 
Massa, A.
Issue Date: 2011
Source: Oliveri, G.,Zhong, Y.,Chen, X.,Massa, A. (2011). Enhancing subspace-based inversions through an efficient multi-scaling scheme. 2011 30th URSI General Assembly and Scientific Symposium, URSIGASS 2011 : -. ScholarBank@NUS Repository. https://doi.org/10.1109/URSIGASS.2011.6050367
Abstract: A microwave imaging approach based on the integration of a subspace-base optimization method (SOM) and a multi-focusing procedure is proposed. The scattering equations are expressed within the contrast source formulation of the electromagnetic inverse problem and then solved by a nested procedure which includes an outer multi-resolution loop (dealing with the identification of the regions of interest), a spectrum analysis step (devoted to the reconstruction of the 'deterministic' components of the contrast sources) and an inner optimization loop (aimed at the retrieval of their 'ambiguous' parts). A numerical analysis is presented to preliminarily assess the features of the proposed approach. © 2011 IEEE.
Source Title: 2011 30th URSI General Assembly and Scientific Symposium, URSIGASS 2011
URI: http://scholarbank.nus.edu.sg/handle/10635/70191
ISBN: 9781424451173
DOI: 10.1109/URSIGASS.2011.6050367
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