Forward-looking ground-penetrating radar (FL-GPR) permits standoff sensing of shallow in-road threats. A major challenge facing this radar technology is the high rate of false alarms stemming from the vulnerability of the target responses to interference scattering arising from interface roughness and subsurface clutter. In this paper, we present a multiview approach for target detection in FL-GPR. Various images corresponding to the different views are generated using a tomographic algorithm, which considers the near-field nature of the sensing problem. Furthermore, for reducing clutter and maintaining high cross-range resolution over the imaged area, each image is computed in a segmentwise fashion using coherent integration over a suitable set of measurements from multiple platform positions. We employ two fusion approaches based on likelihood ratio tests detector to combine the multiview images for enhanced target detection. The superior performance of the multiview approach over single-view imaging is demonstrated using electromagnetic modeling data.

Multiview imaging for low-signature target detection in rough-surface clutter environment / Comite, Davide; Ahmad, Fauzia; Liao, Dahan; Dogaru, Traian; Amin, Moeness G.. - In: IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING. - ISSN 0196-2892. - ELETTRONICO. - 55:9(2017), pp. 5220-5229. [10.1109/TGRS.2017.2703820]

Multiview imaging for low-signature target detection in rough-surface clutter environment

Comite, Davide
;
2017

Abstract

Forward-looking ground-penetrating radar (FL-GPR) permits standoff sensing of shallow in-road threats. A major challenge facing this radar technology is the high rate of false alarms stemming from the vulnerability of the target responses to interference scattering arising from interface roughness and subsurface clutter. In this paper, we present a multiview approach for target detection in FL-GPR. Various images corresponding to the different views are generated using a tomographic algorithm, which considers the near-field nature of the sensing problem. Furthermore, for reducing clutter and maintaining high cross-range resolution over the imaged area, each image is computed in a segmentwise fashion using coherent integration over a suitable set of measurements from multiple platform positions. We employ two fusion approaches based on likelihood ratio tests detector to combine the multiview images for enhanced target detection. The superior performance of the multiview approach over single-view imaging is demonstrated using electromagnetic modeling data.
2017
Forward-looking ground-penetrating radar (FL-GPR); image fusion; microwave tomography; multiview imaging; target detection; terrain clutter; Electrical and Electronic Engineering; Earth and Planetary Sciences (all)
01 Pubblicazione su rivista::01a Articolo in rivista
Multiview imaging for low-signature target detection in rough-surface clutter environment / Comite, Davide; Ahmad, Fauzia; Liao, Dahan; Dogaru, Traian; Amin, Moeness G.. - In: IEEE TRANSACTIONS ON GEOSCIENCE AND REMOTE SENSING. - ISSN 0196-2892. - ELETTRONICO. - 55:9(2017), pp. 5220-5229. [10.1109/TGRS.2017.2703820]
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Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11573/1082075
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