eprintid: 743 rev_number: 14 eprint_status: archive userid: 7 dir: disk0/00/00/07/43 datestamp: 2017-08-04 15:19:45 lastmod: 2024-05-13 08:15:20 status_changed: 2017-08-04 15:19:45 type: monograph metadata_visibility: show creators_name: Anselmi, N. creators_name: Oliveri, G. creators_name: Hannan, M. creators_name: Salucci, M. creators_name: Massa, A. title: Extending the Applicability Range of Compressive Sensing‐Based Microwave Imaging to Arbitrary Scatterers ispublished: pub subjects: AWC subjects: MCS full_text_status: public monograph_type: technical_report keywords: Inverse Scattering (IS), Bayesian Compressive Sensing (BCS), Microwave Imaging, First Order Born Approximation abstract: This work deals with an innovative two-dimensional (2D) free-space microwave imaging technique. The developed inverse scattering (IS) technique is aimed at enabling Compressive Sensing (CS) to deal with the retrieval of unknown scatterers which are not necessarily sparse in the standard sense, i.e., in the pixel domain. Accordingly, the proposed technique exploits a user-defined dictionary of expansion bases that are used to retrieve several guesses of the electromagnetic properties of the investigation domain. Then, following the BCS paradigm, the sparsest solution is recognized as the optimal one. Some numerical results are presented, in order to verify the effectiveness of the proposed IS technique for imaging scatterers with arbitrary size and shape. date: 2017 publisher: ELEDIA Research Center - University of Trento referencetext: A. Massa, P. Rocca, and G. Oliveri, “Compressive sensing in electromagnetics - A review,” IEEE Antennas Propag. Mag., pp. 224-238, vol. 57, no. 1, Feb. 2015. A. Massa and F. 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Mag., vol. 53, no. 1, pp. 38-49, Feb. 2011. citation: Anselmi, N. and Oliveri, G. and Hannan, M. and Salucci, M. and Massa, A. (2017) Extending the Applicability Range of Compressive Sensing‐Based Microwave Imaging to Arbitrary Scatterers. Technical Report. ELEDIA Research Center - University of Trento. document_url: http://www.eledia.org/students-reports/743/1/Extending_the_Applicability_Range_of_Compressive_Sensing%E2%80%90Based_Microwave_Imaging_to_Arbitrary_Scatterers.v2.pdf