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Automatic Editing of the TanDEM-X Global DEM

Gonzalez, Carolina and Bachmann, Markus and Bueso Bello, Jose Luis and Rizzoli, Paola and Zink, Manfred (2020) Automatic Editing of the TanDEM-X Global DEM. European Conference on Synthetic Aperture Radar (EUSAR), 2020-06-15 - 2020-06-18, Leipzig, Germany.

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Abstract

The spaceborne TanDEM-X mission successfully acquired and processed a global Digital Elevation Model (DEM) from interferometric bistatic SAR data at X-band. The product has been delivered in 2016 and is characterized by an unprecedented vertical accuracy. It can now be freely accessed by the scientific community in its 12 m (prior the submission of a scientific proposal) and 90 m (global) versions. Such a DEM is unedited, which means that it is the pure result of the interferometric SAR processing and subsequent mosaicking. Residual gaps, resulting from unprocessable data, are still present and water bodies are not flattened to the corresponding shore altitude. This paper reports on the developed algorithms at DLR for a fully automatic editing of the global TanDEM-X DEM, which comprises gaps filling and water editing. The result is a new global gap-free DEM product at 30 m resolution, which can now be used for processing the upcoming TanDEM-X ChangeDEM layer, as well as for a large variety of scientific applications.

Item URL in elib:https://elib.dlr.de/134107/
Document Type:Conference or Workshop Item (Speech)
Title:Automatic Editing of the TanDEM-X Global DEM
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Gonzalez, Carolinacarolina.gonzalez (at) dlr.dehttps://orcid.org/0000-0002-9340-1887
Bachmann, MarkusMarkus.Bachmann (at) dlr.dehttps://orcid.org/0000-0002-6028-4303
Bueso Bello, Jose LuisJose-Luis.Bueso-Bello (at) dlr.dehttps://orcid.org/0000-0003-3464-2186
Rizzoli, PaolaPaola.Rizzoli (at) dlr.dehttps://orcid.org/0000-0001-9118-2732
Zink, Manfredmanfred.zink (at) dlr.dehttps://orcid.org/0000-0002-4308-5636
Date:2020
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Accepted
Keywords:Editing DEM void
Event Title:European Conference on Synthetic Aperture Radar (EUSAR)
Event Location:Leipzig, Germany
Event Type:international Conference
Event Dates:2020-06-15 - 2020-06-18
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Earth Observation
DLR - Research area:Raumfahrt
DLR - Program:R EO - Erdbeobachtung
DLR - Research theme (Project):R - Projekt TanDEM-X
Location: Oberpfaffenhofen
Institutes and Institutions:Microwaves and Radar Institute
Deposited By: Gonzalez, Carolina
Deposited On:17 Feb 2020 11:32
Last Modified:17 Feb 2020 11:32

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