%T Multiple-Shape Reconstruction by Means of Multiregion Level Sets %L elediasc12486 %K Homogeneous scatterers , inverse scattering , level set , microwave imaging , multiple objects , multiscale reconstruction %I University of Trento %A Manuel Benedetti %A Dominique Lesselier %A Marc Lambert %A Andrea Massa %D 2011 %X In the framework of inverse scattering techniques for microwave imaging, this paper proposes an approach based on the integration between a multiscaling procedure and the level-set-based optimization in order to properly deal with the shape reconstruction of multiple and disconnected homogeneous scatterers. The effectiveness and robustness of the proposed approach is assessed against both synthetic and experimental data. A selected set of results concerned with complex shapes is presented and discussed. "(c) 2010 IEEE. Personal use of this material is permitted. Permission from IEEE must be obtained for all other users, including reprinting/ republishing this material for advertising or promotional purposes, creating new collective works for resale or redistribution to servers or lists, or reuse of any copyrighted components of this work in other works."