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Advanced coherence stacking technique using high resolution TerraSAR-X spotlight data

Wang, Yuanyuan and Zhu, Xiao Xiang and Bamler, Richard (2011) Advanced coherence stacking technique using high resolution TerraSAR-X spotlight data. IEEE. URBAN 2011 - URS 2011, 11-13 April 2011 , Munich, Germany. ISBN 978-1-4244-8658-8 .

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Official URL: http://ieeexplore.ieee.org/xpls/abs_all.jsp?arnumber=5764763


Measuring the long-term LOS deformation using a multi-pass SAR data stack by standard persistent scatterer (PS) technique has been explored since the late 1990s. Researches have been continuously conducted on increasing the data coverage at non-PS-rich areas. The recently developed SqueeSAR™ technique has validated the potential of extracting useful information from distributed scatterers. With the availability of high resolution TerraSAR-X spotlight data, this technique can benefit greatly from its higher data density and quality. This paper presents an algorithm of optimal parameter estimation at distributed scatterers in a high resolution TerraSAR-X spotlight data, paying particular attention to the covariance matrix estimation. Studies are presented on adaptive sample selection strategy for covariance matrix estimation using different statistical tests (Anderson-Darling). In addition, an adaptive multi-resolution defringe algorithm is introduced to cope with the problem of accurate fringe removal and in turn accurate covariance matrix estimation.

Document Type:Conference or Workshop Item (Speech, Paper)
Title:Advanced coherence stacking technique using high resolution TerraSAR-X spotlight data
AuthorsInstitution or Email of Authors
Wang, YuanyuanTUM
Zhu, Xiao XiangDLR,TUM
Bamler, RichardDLR,TUM
Date:11 April 2011
Refereed publication:Yes
In ISI Web of Science:No
Page Range:233 -236
Series Name:Urban Remote Sensing Event (JURSE), 2011 Joint
Keywords:Interferometric SAR, distributed scatterers, covariance matrix
Event Title:URBAN 2011 - URS 2011
Event Location:Munich, Germany
Event Type:international Conference
Event Dates:11-13 April 2011
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 hochauflösende Fernerkundungsverfahren
Location: Oberpfaffenhofen
Institutes and Institutions:Remote Sensing Technology Institute > SAR Signal Processing
Deposited By: Yuanyuan Wang
Deposited On:23 Jan 2012 11:11
Last Modified:01 Mar 2013 15:21

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