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3D SAR Simulation of Urban Areas Based on Detailed Building Models

Auer, Stefan and Balz, Timo and Becker, Susanne and Bamler, Richard (2010) 3D SAR Simulation of Urban Areas Based on Detailed Building Models. Photogrammetric Engineering and Remote Sensing (PE&RS), 76 (12), pp. 1373-1384. American Society for Photogrammetry and Remote Sensing. ISSN 0099-1112

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Abstract

This paper confirms the need for detailed 3D models for the simulation of high-resolution SAR images in order to support Persistent Scatterer Interferometry (PSI) focused on single urban objects. Using a building model enhanced by facade grammar, multiple reflections at building facades are analyzed using ray tracing techniques and scatterers are localized in azimuth, range, and elevation. In a case study, salient signatures of a TerraSAR-X image are analyzed based on simulated SAR reflectivity maps. Phase centers of trihedral reflections are mapped onto the building model and the physical correspondence of scatterers to building features is investigated. Surfaces contributing to salient scatterers are identified at the building model. Eventually, the use of SAR simulation to support PSI is shown from two aspects: (a) for providing a-priori information about building layover, and (b) for extending knowledge about the nature of dominant scatterers.

Item URL in elib:https://elib.dlr.de/66847/
Document Type:Article
Title:3D SAR Simulation of Urban Areas Based on Detailed Building Models
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Auer, StefanStefan.Auer (at) bv.tum.deUNSPECIFIED
Balz, Timobalz (at) lmars.whu.edu.cnUNSPECIFIED
Becker, SusanneSusanne.Becker (at) ifp.uni-stuttgart.deUNSPECIFIED
Bamler, RichardRichard.Bamler (at) dlr.deUNSPECIFIED
Date:December 2010
Journal or Publication Title:Photogrammetric Engineering and Remote Sensing (PE&RS)
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:76
Page Range:pp. 1373-1384
Publisher:American Society for Photogrammetry and Remote Sensing
ISSN:0099-1112
Status:Published
Keywords:3D SAR simulation, TerraSAR-X, Ray tracing
HGF - Research field:Aeronautics, Space and Transport (old)
HGF - Program:Space (old)
HGF - Program Themes:W - no assignment
DLR - Research area:Space
DLR - Program:W - no assignment
DLR - Research theme (Project):W - no assignment (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Remote Sensing Technology Institute > SAR Signal Processing
Deposited By: Gernhardt, Stefan
Deposited On:01 Dec 2010 14:31
Last Modified:06 Sep 2019 15:29

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