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Towards TerraSAR-X street view: creating city point cloud from multi-aspect data stacks

Wang, Yuanyuan and Zhu, Xiao Xiang and Bamler, Richard and Gernhardt, Stefan (2013) Towards TerraSAR-X street view: creating city point cloud from multi-aspect data stacks. In: Urban Remote Sensing Event, 2013 Joint, pp. 198-201. IEEE. JURSE 2013, 21 April - 23 April 2013, Sao Paulo, Brazil. ISBN 978-1-4799-0212-5. ISSN DOI: 10.1109/JURSE#.2013.6550699.

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Official URL: http://ieeexplore.ieee.org/xpl/articleDetails.jsp?tp=&arnumber=6550699&queryText%3DTowards+TerraSAR-X+street+view%3A+creating+city+point+cloud+from+multi-aspect+data+stacks

Abstract

This article presents a recent updates of urban monitoring using TerraSAR-X data. We demonstrate a Google Street-View-like point cloud of the city of Berlin. To make such a point cloud, synthetic aperture radar (SAR) tomography is employed to process TerraSAR-X data stacks of different view angles around Berlin, obtaining 3D point cloud subsets from each of these data stacks. The density of one of these point clouds is around 1 million points / km2. These point cloud subsets are then fused to create a complete seamless one. Fuse tens of millions of points is a challenging task. Therefore, in this article, particular focus is put on the point cloud fusion. We introduce a feature-based unsupervised technique for point clouds fusion by detecting and matching building contour end points and aligning flat roofs in the two point clouds. The same idea can also be exploited as a general way to evaluate the fusion accuracy of different fusion techniques.

Item URL in elib:https://elib.dlr.de/86850/
Document Type:Conference or Workshop Item (Speech)
Title:Towards TerraSAR-X street view: creating city point cloud from multi-aspect data stacks
Authors:
AuthorsInstitution or Email of AuthorsAuthor's ORCID iD
Wang, YuanyuanTUMUNSPECIFIED
Zhu, Xiao XiangDLR-IMF/TUM-LMFUNSPECIFIED
Bamler, RichardDLR-IMF/TUM-LMFUNSPECIFIED
Gernhardt, StefanTUMUNSPECIFIED
Date:April 2013
Journal or Publication Title:Urban Remote Sensing Event, 2013 Joint
Refereed publication:Yes
Open Access:No
Gold Open Access:No
In SCOPUS:No
In ISI Web of Science:No
Page Range:pp. 198-201
Publisher:IEEE
ISSN:DOI: 10.1109/JURSE#.2013.6550699
ISBN:978-1-4799-0212-5
Status:Published
Keywords:SAR tomography, point cloud fusion, TerraSAR-X, SAR
Event Title:JURSE 2013
Event Location:Sao Paulo, Brazil
Event Type:international Conference
Event Dates:21 April - 23 April 2013
Organizer:INPE
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 - Vorhaben hochauflösende Fernerkundungsverfahren (old)
Location: Oberpfaffenhofen
Institutes and Institutions:Remote Sensing Technology Institute > SAR Signal Processing
Deposited By: Wang, Yuanyuan
Deposited On:17 Dec 2013 08:56
Last Modified:08 May 2014 23:30

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