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A Novel Method For Building Height Estimation Using TanDEM-X Data

Marconcini, Mattia and Marmanis, Dimitrios and Esch, Thomas and Felbier, Andreas (2014) A Novel Method For Building Height Estimation Using TanDEM-X Data. IGARSS 2014, 13-18 Jul 2014, Quebec.

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Abstract

The main goal of the German TanDEM-X mission (TDM) is the provision of a global digital elevation model (DEM) at the unique spatial resolution of ~12m, which, compared to other freely available DEMs [e.g., STRM-DEM (90m), ASTER-GDEM (30m)], holds the potential to discriminate objects above the ground as, e.g., buildings. Accordingly, in this paper we present a novel unsupervised method for automatically estimating local height variations in built-up areas by means of the TanDEM-X DEM. In the first step, we identify points lying on the ground surface by means of a dedicated algorithm. In particular, the basic idea is that pixels associated with potential infrastructural elements can be identified and then excluded by analyzing the relative change in elevation with respect to their neighbors (indeed they locally exhibit greater height values with respect to ground pixels). Next, the remaining samples are used to generate a digital terrain model (DTM) of the investigated region by employing the Natural Neighbors (NN) interpolation algorithm. The local building height is finally estimated by subtracting the DTM from the original DEM. Preliminary experimental results obtained for the area of Dongying (China) which includes the Yellow River Delta (YRD) assess the effectiveness of the proposed approach and its potential to provide a reliable indication of the overall distribution of building height at large scale.

Item URL in elib:https://elib.dlr.de/90601/
Document Type:Conference or Workshop Item (Speech)
Title:A Novel Method For Building Height Estimation Using TanDEM-X Data
Authors:
AuthorsInstitution or Email of AuthorsAuthors ORCID iD
Marconcini, MattiaMattia.Marconcini (at) dlr.deUNSPECIFIED
Marmanis, DimitriosDimitrios.Marmanis (at) dlr.deUNSPECIFIED
Esch, ThomasThomas.Esch (at) dlr.deUNSPECIFIED
Felbier, Andreasandreas.felbier (at) dlr.deUNSPECIFIED
Date:18 July 2014
Refereed publication:No
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Status:Published
Keywords:TanDEM-X, digital elevation model, digital terrain model, building height, natural neighbors
Event Title:IGARSS 2014
Event Location:Quebec
Event Type:international Conference
Event Dates:13-18 Jul 2014
Organizer:IEEE
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 Fernerkundung der Landoberfläche (old)
Location: Oberpfaffenhofen
Institutes and Institutions:German Remote Sensing Data Center > Land Surface
Deposited By: Marconcini, Mattia
Deposited On:06 Nov 2014 10:28
Last Modified:06 Nov 2014 10:28

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