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Stereo Evaluation of ALOS/PRISM Data on ESA-AO Test Sites - First DLR Results

Schneider, Mathias and Lehner, Manfred and Müller, Rupert and Reinartz, Peter (2008) Stereo Evaluation of ALOS/PRISM Data on ESA-AO Test Sites - First DLR Results. In: Proceedings of ALOS PI 2008 Symposium, pp. 1-8. ESA Communication Production Office. ALOS PI Symposium 2008, 2008-11-03 - 2008-11-07, Rhodos (Griechenland). ISBN 978-92-9221-228-5 ISSN 1609-042X

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Abstract

DLR's Remote Sensing Technology Institute has more than 20 years of history in developing spaceborne stereo scanners (MEOSS, MOMS) and the corresponding stereo evaluation software systems. It takes part in the ESA/JAXAAO Program to evaluate the performance and potential of the three-line stereo scanner PRISM (Panchromatic Remotesensing Instrument for Stereo Mapping) and the multispectral imaging sensor AVNIR-2 onboard the Japanese satellite ALOS as a principal investigator. French (near Marseille), German (near Munich) and Spanish (near Barcelona) test sites are proposed. In this paper, the process of direct georeferencing according to JAXA is shown and the results are presented. The geolocation accuracy improved immensely. For the newest dataset, ground control points (GCPs) are no longer obligatory, but useful. Rational polynomial coefficients (RPCs) are generated using DLR software. Thereby, oscillations in the orientation angles in the order of up to one pixel on the ground occurred in the older datasets. These oscillations can not be compensated by an RPC-based approach, however, in the newer dataset, they are no longer existent. The coregistration of forward, nadir and backward view is examined and DSMs are generated and analyzed.

Item URL in elib:https://elib.dlr.de/57440/
Document Type:Conference or Workshop Item (Speech)
Title:Stereo Evaluation of ALOS/PRISM Data on ESA-AO Test Sites - First DLR Results
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Schneider, MathiasUNSPECIFIEDUNSPECIFIED
Lehner, ManfredUNSPECIFIEDUNSPECIFIED
Müller, RupertUNSPECIFIEDUNSPECIFIED
Reinartz, PeterUNSPECIFIEDUNSPECIFIED
Date:November 2008
Journal or Publication Title:Proceedings of ALOS PI 2008 Symposium
Refereed publication:No
Open Access:Yes
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Page Range:pp. 1-8
Editors:
EditorsEmail
Lacoste, H.UNSPECIFIED
Ouwehand, L.UNSPECIFIED
Publisher:ESA Communication Production Office
ISSN:1609-042X
ISBN:978-92-9221-228-5
Status:Published
Keywords:ALOS, PRISM, Orthorectification, RPC, DEM generation
Event Title:ALOS PI Symposium 2008
Event Location:Rhodos (Griechenland)
Event Type:international Conference
Event Dates:2008-11-03 - 2008-11-07
Organizer:ESA/JAXA
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 Bildwissenschaften (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Remote Sensing Technology Institute > Photogrammetry and Image Analysis
Deposited By: Schneider, Mathias
Deposited On:19 Mar 2009
Last Modified:31 Jul 2019 19:24

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