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Nonlocal InSAR Filtering for DEM generation and Addressing the Staircasing Effect

Baier, Gerald and Zhu, Xiao Xiang and Lachaise, Marie and Breit, Helko and Bamler, Richard (2016) Nonlocal InSAR Filtering for DEM generation and Addressing the Staircasing Effect. In: Proceedings of the European Conference on Synthetic Aperture Radar (EUSAR), pp. 997-1000. VDE Verlag GmbH. EUSAR 2016, 6.-9. June 2016, Hamburg, Germany. ISBN 978-3-8007-4228-8 (P) ISSN 2197-4403

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Official URL: https://www.vde-verlag.de/proceedings-en/454228232.html

Abstract

A nonlocal InSAR filter is proposed that avoids the staircasing effect, which is especially troubling for DEM generation as it leads to terrace-like artifacts for hilly terrain. The sources of the staircasing effect for InSAR filtering are presented and the proposed filter is evaluated with simulations and test data, which show that the noise reduction and detail preservation are comparable to a state of the art nonlocal filter.

Item URL in elib:https://elib.dlr.de/109159/
Document Type:Conference or Workshop Item (Speech)
Title:Nonlocal InSAR Filtering for DEM generation and Addressing the Staircasing Effect
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Baier, GeraldGerald.Baier (at) dlr.deUNSPECIFIED
Zhu, Xiao Xiangxiao.zhu (at) dlr.deUNSPECIFIED
Lachaise, MarieMarie.Lachaise (at) dlr.deUNSPECIFIED
Breit, HelkoHelko.Breit (at) dlr.deUNSPECIFIED
Bamler, RichardRichard.Bamler (at) dlr.deUNSPECIFIED
Date:2016
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:No
In ISI Web of Science:No
Page Range:pp. 997-1000
Publisher:VDE Verlag GmbH
ISSN:2197-4403
ISBN:978-3-8007-4228-8 (P)
Status:Published
Keywords:synthetic aperture radar, denoising, nonlocal
Event Title:EUSAR 2016
Event Location:Hamburg, Germany
Event Type:international Conference
Event Dates:6.-9. June 2016
Organizer:VDE
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:Remote Sensing Technology Institute > SAR Signal Processing
Deposited By: Baier, Gerald
Deposited On:07 Dec 2016 11:48
Last Modified:31 Jul 2019 20:06

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