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On the imaging of two-dimensional thin inclusions by a MUSIC-type algorithm from boundary measurements

Won-Kwang Park 1 Habib Ammari 2 Dominique Lesselier 1
1 DRE - Département de Recherche en Electromagnétisme ; EMG - Département Electromagnétisme - L2S
L2S - Laboratoire des signaux et systèmes : 1289, SUPELEC-Campus Gif
2 CMAP - Centre de Mathématiques Appliquées
Abstract : A technique for reconstructing penetrable single thin, curve-like smooth inclusion in a homogeneous medium is proposed. We present an asymptotic formula for the scattering amplitude by plane waves to build a MUSIC-type algorithm. This algorithm operated at a fixed nonzero frequency yields the shape of the inclusion from scattered far-fields in addition to estimates of the length of the supporting curve. Numerical experiments in both cases demonstrated how the proposed technique behaves.
Keywords : imaging thin inclusions MUSIC asymptotic formula
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Conference papers
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https://hal-supelec.archives-ouvertes.fr/hal-00788039
Contributor : Dominique Lesselier Connect in order to contact the contributor
Submitted on : Wednesday, February 13, 2013 - 3:38:46 PM
Last modification on : Friday, October 22, 2021 - 3:03:58 AM

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  • HAL Id : hal-00788039, version 1

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Citation

Won-Kwang Park, Habib Ammari, Dominique Lesselier. On the imaging of two-dimensional thin inclusions by a MUSIC-type algorithm from boundary measurements. 13th International Workshop on Non-Destructive Evaluation (ENDE'08), Jun 2008, Seoul, South Korea. pp.Session 7 Inverse Problems and Imaging. ⟨hal-00788039⟩

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