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Proceedings Paper

Polarimetric SAR tomography in the X-band by continuous wave multi-baseline SAR tracks in a convex optimization approach
Author(s): Filippo Biondi; Antonio Sarri; Luca Fiori; Kevin Dell’Omodarme
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Paper Abstract

SAR Tomography is the extension of the conventional interferometric radar signal processing, extended in the height dimension. In order to improve the vertical resolution with respect to the classical Fourier methods, high resolution approaches, based on the Convex Optimization (CVX), has been implemented. This methods recast in the Compressed Sensing (CS) framework that optimize tomographic smooth profiles via atomic decomposition, in order to obtain sparsity. The optimum solution has been estimated by Interior Point Methods (IPM). The problem for such kind of signal processing is that the tomographic phase information may be suppressed and only the optimized energy information is available. In this paper we propose a method in order to estimate an optimized spectra and phase information projecting each vector components of each tomographic resolution cell spanned in the real and the imaginary component. The tomographic solutions has been performed by processing multi-baseline SAR datasets, in a full polarimetric mode, acquired by a portable small Continuous Wave (CW) radar in the X band.

Paper Details

Date Published: 21 October 2014
PDF: 14 pages
Proc. SPIE 9243, SAR Image Analysis, Modeling, and Techniques XIV, 92430Y (21 October 2014); doi: 10.1117/12.2065932
Show Author Affiliations
Filippo Biondi, Univ. degli Studi dell'Aguila (Italy)
Antonio Sarri, IDS - Ingegneria Dei Sistemi S.p.A. (Italy)
Luca Fiori, IDS - Ingegneria Dei Sistemi S.p.A. (Italy)
Kevin Dell’Omodarme, IDS - Ingegneria Dei Sistemi S.p.A. (Italy)


Published in SPIE Proceedings Vol. 9243:
SAR Image Analysis, Modeling, and Techniques XIV
Claudia Notarnicola; Simonetta Paloscia; Nazzareno Pierdicca, Editor(s)

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