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A fully automated TerraSAR-X based flood service

Martinis, Sandro and Kersten, Jens and Twele, André (2015) A fully automated TerraSAR-X based flood service. ISPRS Journal of Photogrammetry and Remote Sensing, 104, pp. 203-212. Elsevier. DOI: 10.1016/j.isprsjprs.2014.07.014 ISSN 0924-2716

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Official URL: http://www.sciencedirect.com/science/article/pii/S0924271614001981

Abstract

In this paper, a fully automated processing chain for near real-time flood detection using high resolution TerraSAR-X Synthetic Aperture Radar (SAR) data is presented. The processing chain including SAR data pre-processing, computation and adaption of global auxiliary data, unsupervised initialization of the classification as well as post-classification refinement by using a fuzzy logic-based approach is automatically triggered after satellite data delivery. The dissemination of flood maps resulting from this service is performed through an online service which can be activated on-demand for emergency response purposes (i.e., when a flood situation evolves). The classification methodology is based on previous work of the authors but was substantially refined and extended for robustness and transferability to guarantee high classification accuracy under different environmental conditions and sensor configurations. With respect to accuracy and computational effort, experiments performed on a data set of 175 different TerraSAR-X scenes acquired during flooding all over the world with different sensor configurations confirm the robustness and effectiveness of the proposed flood mapping service. These promising results have been further confirmed by means of an in-depth validation performed for three study sites in Germany, Thailand, and Albania/Montenegro.

Item URL in elib:https://elib.dlr.de/96684/
Document Type:Article
Title:A fully automated TerraSAR-X based flood service
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Martinis, Sandrosandro.martinis (at) dlr.deUNSPECIFIED
Kersten, Jensjens.kersten (at) dlr.deUNSPECIFIED
Twele, Andréandre.twele (at) dlr.deUNSPECIFIED
Date:June 2015
Journal or Publication Title:ISPRS Journal of Photogrammetry and Remote Sensing
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:Yes
In ISI Web of Science:Yes
Volume:104
DOI :10.1016/j.isprsjprs.2014.07.014
Page Range:pp. 203-212
Publisher:Elsevier
ISSN:0924-2716
Status:Published
Keywords:SAR; Remote Sensing; Floods
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 - Vorhaben Zivile Kriseninformation und Georisiken (old)
Location: Oberpfaffenhofen
Institutes and Institutions:German Remote Sensing Data Center > Geo Risks and Civil Security
Deposited By: Martinis, Sandro
Deposited On:18 Jun 2015 09:03
Last Modified:06 Sep 2019 15:28

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