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

Lombardini, Fabrizio und 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), Seiten 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.

Zusätzliche Informationen: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.
Titel:Superresolution Differential Tomography: Experiments on Identification of Multiple Scatterers in Spaceborne SAR Data
AutorenInstitution oder E-Mail-AdresseAutoren-ORCID
Lombardini, FabrizioUniversity of PisaNICHT SPEZIFIZIERT
Datum:April 2012
Erschienen in:IEEE Transactions on Geoscience and Remote Sensing
Referierte Publikation:Ja
In Open Access:Nein
In ISI Web of Science:Ja
DOI :10.1109/TGRS.2011.2164925
Seitenbereich:Seiten 1117-1129
Stichwörter:Detection, differential interferometry, multidimensional signal processing, synthetic aperture radar, tomography
HGF - Forschungsbereich:Verkehr und Weltraum (alt)
HGF - Programm:Weltraum (alt)
HGF - Programmthema:W EO - Erdbeobachtung
DLR - Schwerpunkt:Weltraum
DLR - Forschungsgebiet:W EO - Erdbeobachtung
DLR - Teilgebiet (Projekt, Vorhaben):W - Vorhaben Prosmart, Smart-SAR (alt)
Standort: Oberpfaffenhofen
Institute & Einrichtungen:Institut für Hochfrequenztechnik und Radarsysteme > Radarkonzepte
Hinterlegt von: Pardini, Dr.-Ing. Matteo
Hinterlegt am:14 Dez 2011 10:18
Letzte Änderung:12 Dez 2013 21:29

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