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InSAR phase estimation advances for high-Resolution TanDEM-X DEM generation

Sica, Francescopaolo and Gollin, Nicola and Gobbi, Giorgia and Rizzoli, Paola (2021) InSAR phase estimation advances for high-Resolution TanDEM-X DEM generation. In: Proceedings of the European Conference on Synthetic Aperture Radar, EUSAR. European Conference on Synthetic Aperture Radar (EUSAR), 2021-03-29 - 2021-04-01, Leipzig, Germany. ISSN 2197-4403.

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Abstract

Synthetic Aperture Radar Interferometry (InSAR) is nowadays a well established technique for the retrieval of ground topography from radar space-borne sensors. The TanDEM-X mission has provided high-resolution data at the X-band in a bistatic configuration, allowing for the generation of Digital Elevation Model (DEM) products with an unprecedented level of accuracy and resolution. The DEM quality is strongly influenced by the processing technique that is used for the retrieval of the interferometric phase from noisy SAR acquisitions. For this reason, the development of advanced processing techniques able to preserve DEM’s resolution and accuracy is a critical step for the whole interferometric processing chain. In this work, we present the last advances for the retrieval of the interferometric phase and assess the performance on the generated DEM.

Item URL in elib:https://elib.dlr.de/130059/
Document Type:Conference or Workshop Item (Speech)
Title:InSAR phase estimation advances for high-Resolution TanDEM-X DEM generation
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Sica, FrancescopaoloFrancescopaolo.Sica (at) dlr.dehttps://orcid.org/0000-0003-1593-1492
Gollin, NicolaNicola.Gollin (at) dlr.dehttps://orcid.org/0000-0003-0477-3273
Gobbi, GiorgiaGiorgia.Gobbi (at) dlr.deUNSPECIFIED
Rizzoli, PaolaPaola.Rizzoli (at) dlr.dehttps://orcid.org/0000-0001-9118-2732
Date:April 2021
Journal or Publication Title:Proceedings of the European Conference on Synthetic Aperture Radar, EUSAR
Refereed publication:Yes
Open Access:Yes
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:No
ISSN:2197-4403
Status:Accepted
Keywords:Digital Elevation Model, Nonlocal filtering, Patch-based filtering, TanDEM-X
Event Title:European Conference on Synthetic Aperture Radar (EUSAR)
Event Location:Leipzig, Germany
Event Type:international Conference
Event Dates:2021-03-29 - 2021-04-01
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: Sica, Dr. Francescopaolo
Deposited On:06 Nov 2019 16:41
Last Modified:29 Mar 2021 22:19

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