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Ghost Persistent Scatterers Related to Signal Reflections Between Adjacent Buildings

Auer, Stefan and Gernhardt, Stefan and Bamler, Richard (2011) Ghost Persistent Scatterers Related to Signal Reflections Between Adjacent Buildings. In: Proceedings of IGARSS 2011, pp. 1485-1488. IEEE. IGARSS 2011, 24.-29. Juli 2011, Vancouver, Canada. ISBN 978-1-4577-1003-2. ISSN 2153-6996

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When exploiting very high resolution SAR data stacks, the persistent scatterer interferometry algorithm may mistakenly localize scatterers below the ground level. This paper supports this assumption by a case study using the 3D SAR simulator RaySAR. For a specific urban scene, signal reflections between two adjacent buildings lead to the occurrence of ghost persistent scatterers related to reflection level 5-which do not represent the physical shape of the buildings. Eventually, simulation results confirm the strong appearance of the multiple reflected signals on high resolution TerraSAR-X images.

Document Type:Conference or Workshop Item (Speech)
Title:Ghost Persistent Scatterers Related to Signal Reflections Between Adjacent Buildings
AuthorsInstitution or Email of Authors
Auer, StefanStefan.Auer@bv.tum.de
Gernhardt, StefanStefan.Gernhardt@bv.tu-muenchen.de
Bamler, RichardRichard.Bamler@dlr.de
Journal or Publication Title:Proceedings of IGARSS 2011
Refereed publication:No
In ISI Web of Science:No
Page Range:pp. 1485-1488
Keywords:SAR simulation, TerraSAR-X, persistent scatterer, scatterer analysis, reflection phenomena, raytracing
Event Title:IGARSS 2011
Event Location:Vancouver, Canada
Event Type:international Conference
Event Dates:24.-29. Juli 2011
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:other
DLR - Research area:Raumfahrt
DLR - Program:R - no assignement
DLR - Research theme (Project):R -- no assignement
Location: Oberpfaffenhofen
Institutes and Institutions:Remote Sensing Technology Institute > SAR Signal Processing
Deposited By: Stefan Gernhardt
Deposited On:23 Jan 2012 16:12
Last Modified:08 May 2014 23:22

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