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TanDEM-X Mission: SAR Image Coregistration Aspects

Yague-Martinez, Nestor and Eineder, Michael and Brcic, Ramon and Breit, Helko and Fritz, Thomas (2010) TanDEM-X Mission: SAR Image Coregistration Aspects. EUSAR 2010, 07.-10. Juni 2010, Aachen, Germany.

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Abstract

SAR image coregistration is of fundamental importance for accurate Digital Elevation Model (DEM) generation. In this paper the coregistration algorithm for the TanDEM-X Mission is presented. Because of the parallax, a range shift variation of several samples over range appears. The use of coregistration polynomials is not a suitable solution due to the high resolution of the system, therefore a new two-step algorithm is proposed: a geometrical a-priori shift estimation followed by an optimized signal-based method. Moreover, an outliers elimination module is described. Results with TerraSAR-X repeat-pass data are shown.

Document Type:Conference or Workshop Item (Poster)
Title:TanDEM-X Mission: SAR Image Coregistration Aspects
Authors:
AuthorsInstitution or Email of Authors
Yague-Martinez, NestorNestor.Yague@dlr.de
Eineder, Michaelmichael.eineder@dlr.de
Brcic, Ramonramon.brcic@dlr.de
Breit, Helkohelko.breit@dlr.de
Fritz, Thomasthomas.fritz@dlr.de
Date:June 2010
Page Range:pp. 576-579
Status:Published
Keywords:InSAR, SAR, Coregistration, TanDEM-X, Earth Observation
Event Title:EUSAR 2010
Event Location:Aachen, Germany
Event Type:international Conference
Event Dates:07.-10. Juni 2010
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 - Projekt TanDEM-X (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Remote Sensing Technology Institute > SAR Signal Processing
Deposited By: Nestor Yague-Martinez
Deposited On:21 Jun 2010 06:50
Last Modified:24 Mar 2014 08:25

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