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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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Abstract
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, Paper) | ||||||||
|---|---|---|---|---|---|---|---|---|---|
| Title: | Ghost Persistent Scatterers Related to Signal Reflections Between Adjacent Buildings | ||||||||
| Authors: |
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| Date: | 2011 | ||||||||
| Journal or Publication Title: | Proceedings of IGARSS 2011 | ||||||||
| Refereed publication: | No | ||||||||
| In ISI Web of Science: | No | ||||||||
| Page Range: | pp. 1485-1488 | ||||||||
| Publisher: | IEEE | ||||||||
| ISSN: | 2153-6996 | ||||||||
| ISBN: | 978-1-4577-1003-2 | ||||||||
| Status: | Published | ||||||||
| 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 | ||||||||
| Organizer: | IEEE | ||||||||
| HGF - Research field: | Aeronautics, Space and Transport | ||||||||
| HGF - Program: | Raumfahrt | ||||||||
| HGF - Program Themes: | R - no assignement | ||||||||
| 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: | 13 May 2013 17:52 |
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