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Regularized Bi-Conjugate Gradient Algorithm for Tomographic Reconstruction of Buried Objects
Cedric DOURTHE Christian PICHOT Jean-Yves DAUVIGNAC Laure BLANC-FERAUD Michel BARLAUD
IEICE TRANSACTIONS on Electronics
Publication Date: 2000/12/25
Print ISSN: 0916-8516
Type of Manuscript: INVITED PAPER (Special Issue on Problems of Random Scattering and Electromagnetic Wave Sensing)
Category: Inverse Scattering and Image Reconstruction
inverse problems, permittivity and conductivity reconstruction, microwave tomography, buried objects,
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This paper deals with a quantitative inversion algorithm for reconstructing the permittivity and conductivity profiles of bounded inhomogeneous buried objects from measured multifrequency and multiincidence backscattered field data. An Edge-Preserving regularization scheme is applied leading to a significant enhancement in the profiles reconstructions. The applications concern civil engineering and geophysics as well as mine detection and localization. The performance of the reconstructions are illustrated with different synthetic data.