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Relative Height Accuracy Estimation Method for InSAR-Based DEMs

Gonzalez, Carolina and Bräutigam, Benjamin (2015) Relative Height Accuracy Estimation Method for InSAR-Based DEMs. IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing, 8 (11), pp. 5352-5360. IEEE - Institute of Electrical and Electronics Engineers. doi: 10.1109/JSTARS.2015.2474159. ISSN 1939-1404.

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Digital elevation models (DEMs) are of fundamental importance for a broad range of commercial and scientific applications. The relative height accuracy of the DEM is one of the most important quality parameters as it refers to the local differences among adjacent elevation values. A direct comparison against a reliable reference DEM is only possible for some single regions where an accurate model similar in resolution is already available. DEMs generated from interferometric synthetic aperture radar (InSAR) can be analyzed with respect to the relative height accuracy based on the data itself. This paper introduces a novel approach to estimate the relative height accuracy. The analysis is based on the well-known statistical characteristics of SAR interferograms and is designed as a specification check for global DEM generation. First results of evaluation of the relative height accuracy are presented for TanDEM-X data.

Item URL in elib:https://elib.dlr.de/98638/
Document Type:Article
Title:Relative Height Accuracy Estimation Method for InSAR-Based DEMs
AuthorsInstitution or Email of AuthorsAuthor's ORCID iDORCID Put Code
Gonzalez, CarolinaUNSPECIFIEDhttps://orcid.org/0000-0002-9340-1887UNSPECIFIED
Date:November 2015
Journal or Publication Title:IEEE Journal of Selected Topics in Applied Earth Observations and Remote Sensing
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In ISI Web of Science:Yes
Page Range:pp. 5352-5360
Publisher:IEEE - Institute of Electrical and Electronics Engineers
Keywords:Digital elevation models (DEMs), interferometric synthetic aperture radar (InSAR), relative height accuracy, relative height error
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:13 Nov 2015 13:02
Last Modified:27 Nov 2023 13:58

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