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A Fully Automatic Algorithm for Editing the TanDEM-X Global DEM

Gonzalez, Carolina and Bachmann, Markus and Bueso Bello, Jose Luis and Rizzoli, Paola and Zink, Manfred (2020) A Fully Automatic Algorithm for Editing the TanDEM-X Global DEM. Remote Sensing. Multidisciplinary Digital Publishing Institute (MDPI). doi: 10.3390/rs12233961. ISSN 2072-4292.

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Official URL: https://www.mdpi.com/2072-4292/12/23/3961


Abstract The spaceborne mission TanDEM-X 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 is provided at 12 m, 30 m, and 90 m sampling and can be accessed by the scientific community via a standard announcement of opportunity process and the submission of a scientific proposal. The 90 m version is freely available for scientific purposes. The DEM is unedited, which means that it is the pure result of the interferometric SAR processing and subsequent mosaicking. Residual gaps, resulting, e.g., from unprocessable data, are still present and water surfaces appear noisy. This paper reports on the algorithms developed at DLR's Microwaves and Radar Institute for a fully automatic editing of the global TanDEM-X DEM comprising gap filling and water editing. The result is a new global gap-free DEM product at 30 m sampling, which can be used for a large variety of scientific applications. It also serves as a reference for processing the upcoming TanDEM-X Change DEM layer.

Item URL in elib:https://elib.dlr.de/139126/
Document Type:Article
Title:A Fully Automatic Algorithm for Editing the TanDEM-X Global DEM
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Gonzalez, CarolinaUNSPECIFIEDhttps://orcid.org/0000-0002-9340-1887UNSPECIFIED
Bachmann, MarkusUNSPECIFIEDhttps://orcid.org/0000-0002-6028-4303UNSPECIFIED
Bueso Bello, Jose LuisUNSPECIFIEDhttps://orcid.org/0000-0003-3464-2186UNSPECIFIED
Rizzoli, PaolaUNSPECIFIEDhttps://orcid.org/0000-0001-9118-2732UNSPECIFIED
Zink, ManfredUNSPECIFIEDhttps://orcid.org/0000-0002-4308-5636UNSPECIFIED
Date:3 December 2020
Journal or Publication Title:Remote Sensing
Refereed publication:Yes
Open Access:Yes
Gold Open Access:Yes
In ISI Web of Science:Yes
Publisher:Multidisciplinary Digital Publishing Institute (MDPI)
Keywords:synthetic aperture radar; digital elevation model; TanDEM-X, DEM Editing
HGF - Research field:Aeronautics, Space and Transport
HGF - Program:Space
HGF - Program Themes:Earth Observation
DLR - Research area:Raumfahrt
DLR - Program:R EO - Earth Observation
DLR - Research theme (Project):R - Projekt TanDEM-X (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Microwaves and Radar Institute > Spaceborne SAR Systems
Deposited By: Gonzalez, Carolina
Deposited On:04 Dec 2020 12:34
Last Modified:25 Oct 2023 08:52

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