Detection, location, and imaging of multiple scatterers by means of the iterative multiscaling method Author(s): Caorsi, S (Caorsi, S); Donelli, M (Donelli, M); Massa, A (Massa, A) Source: IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES Volume: 52 Issue: 4 Pages: 1217-1228 DOI: 10.1109/TMTT.2004.825699 Published: APR 2004 Times Cited: 35 (from Web of Science) Cited References: 19 [ view related records ] Citation Map Abstract: In this paper, a new version of the iterative multiscaling method (IMM) is proposed for reconstructing multiple scatterers in two-dimensional microwave imaging problems. This paper describes the new procedure evaluating the effectiveness of the IMM previously assessed for single object detection. Starting from inverse scattering integral equations the problem is recast in a minimization one by defining iteratively (at each level of the scaling procedure) a suitable cost function, firstly allowing a detection of the unknown objects, successively a location of the scatterers, and finally, a quantitative reconstruction of the scenario under test. Thanks to its properties, the approach allows an effective use of the information achievable from inverse scattering data. Moreover, the adopted kind of expansion is able to deal with all possible multiresolution combinations in an easy and computationally inexpensive way. Selected numerical examples concerning dielectric, as well as dissipative objects in noisy environments or starting from experimentally acquired data are reported in order to confirm the usefulness of the introduced tool and of the effectiveness of the proposed procedure. Accession Number: WOS:000220881700016 Document Type: Article Language: English Author Keywords: microwave imaging; inverse scattering; iterative multiscaling method (IMM); multiple scatterers retrieval KeyWords Plus: TOMOGRAPHY; SECTION Reprint Address: Caorsi, S (reprint author), Univ Pavia, Dept Elect, Via Palestro 3, I-27100 Pavia, Italy Addresses: 1. Univ Pavia, Dept Elect, I-27100 Pavia, Italy E-mail Address: massimo.donelli@dit.unitn.it, andrea.massa@ing.unitn.it Publisher: IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 445 HOES LANE, PISCATAWAY, NJ 08855 USA Web of Science Category: Engineering, Electrical & Electronic Subject Category: Engineering IDS Number: 813BD ISSN: 0018-9480
Detection, location and imaging of multiple scatterers by means of the iterative multiscaling method
CAORSI, SALVATORE;
2004-01-01
Abstract
Detection, location, and imaging of multiple scatterers by means of the iterative multiscaling method Author(s): Caorsi, S (Caorsi, S); Donelli, M (Donelli, M); Massa, A (Massa, A) Source: IEEE TRANSACTIONS ON MICROWAVE THEORY AND TECHNIQUES Volume: 52 Issue: 4 Pages: 1217-1228 DOI: 10.1109/TMTT.2004.825699 Published: APR 2004 Times Cited: 35 (from Web of Science) Cited References: 19 [ view related records ] Citation Map Abstract: In this paper, a new version of the iterative multiscaling method (IMM) is proposed for reconstructing multiple scatterers in two-dimensional microwave imaging problems. This paper describes the new procedure evaluating the effectiveness of the IMM previously assessed for single object detection. Starting from inverse scattering integral equations the problem is recast in a minimization one by defining iteratively (at each level of the scaling procedure) a suitable cost function, firstly allowing a detection of the unknown objects, successively a location of the scatterers, and finally, a quantitative reconstruction of the scenario under test. Thanks to its properties, the approach allows an effective use of the information achievable from inverse scattering data. Moreover, the adopted kind of expansion is able to deal with all possible multiresolution combinations in an easy and computationally inexpensive way. Selected numerical examples concerning dielectric, as well as dissipative objects in noisy environments or starting from experimentally acquired data are reported in order to confirm the usefulness of the introduced tool and of the effectiveness of the proposed procedure. Accession Number: WOS:000220881700016 Document Type: Article Language: English Author Keywords: microwave imaging; inverse scattering; iterative multiscaling method (IMM); multiple scatterers retrieval KeyWords Plus: TOMOGRAPHY; SECTION Reprint Address: Caorsi, S (reprint author), Univ Pavia, Dept Elect, Via Palestro 3, I-27100 Pavia, Italy Addresses: 1. Univ Pavia, Dept Elect, I-27100 Pavia, Italy E-mail Address: massimo.donelli@dit.unitn.it, andrea.massa@ing.unitn.it Publisher: IEEE-INST ELECTRICAL ELECTRONICS ENGINEERS INC, 445 HOES LANE, PISCATAWAY, NJ 08855 USA Web of Science Category: Engineering, Electrical & Electronic Subject Category: Engineering IDS Number: 813BD ISSN: 0018-9480I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.
