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Superresolution Differential Tomography: Experiments on Identification of Multiple Scatterers in Spaceborne SAR Data

Lombardini, Fabrizio and Pardini, Matteo (2012) Superresolution Differential Tomography: Experiments on Identification of Multiple Scatterers in Spaceborne SAR Data. IEEE Transactions on Geoscience and Remote Sensing, 50 (4), pp. 1117-1129. IEEE. DOI: 10.1109/TGRS.2011.2164925.

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Interest is growing in the application of coherent processing of synthetic aperture radar (SAR) data to the monitoring of complex urban or infrastructure areas. However, such scenarios are characterized by the layover phenomenon, in the presence of which conventional interferometric SAR techniques degrade or cannot operate. As a consequence, to monitor reliably a high number of ground structures, the identification, i.e., the detection and height and deformation velocity estimation, of both single and multiple scatterers interfering in the same SAR cell can be a key step. This issue is addressed here by means of differential tomography (Diff-Tomo), a recent multibaseline�multitemporal generalized interferometric framework which allows to resolve multiple moving scatterers at different heights in the same cell. In particular, superresolution adaptive Diff-Tomo is extensively tested and augmented with a new information extraction algorithm for the automated identification of the multiple scatterers. Experiments have been carried out with real C-band spaceborne data over urban areas; corresponding results are shown and discussed.

Document Type:Article
Additional Information:Copyright:(c) 2012 IEEE. Personal use of this material is permitted. However, permission to reprint/republish this material for advertising or promotional purposes or for creating new collective works for resale or redistribution to servers or lists, or to reuse any copyrighted component of this work in other works must be obtained from the IEEE.
Title:Superresolution Differential Tomography: Experiments on Identification of Multiple Scatterers in Spaceborne SAR Data
AuthorsInstitution or Email of Authors
Lombardini, FabrizioUniversity of Pisa
Pardini, MatteoDLR
Date:April 2012
Journal or Publication Title:IEEE Transactions on Geoscience and Remote Sensing
Refereed publication:Yes
In Open Access:No
In ISI Web of Science:Yes
Page Range:pp. 1117-1129
Keywords:Detection, differential interferometry, multidimensional signal processing, synthetic aperture radar, tomography
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W EO - Erdbeobachtung
DLR - Research area:Space
DLR - Program:W EO - Erdbeobachtung
DLR - Research theme (Project):W - Vorhaben Prosmart, Smart-SAR (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Microwaves and Radar Institute > Radar Concepts
Deposited By: Dr.-Ing. Matteo Pardini
Deposited On:14 Dec 2011 10:18
Last Modified:12 Dec 2013 21:29

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