Multibaseline polarimetric SAR interferometry coherence optimization

被引：75

作者：

Neumann, Maxim ^{[1
]}

Ferro-Famil, Laurent ^{[1
]}

Reigber, Andreas ^{[2
]}

机构：

[1] Univ Rennes 1, Inst Elect & Telecommun, SAR Polarimetry Holog Interferometry Radargrammet, F-35042 Rennes, France

[2] Berlin Univ Technol, Remote Sensing Grp, D-10623 Berlin, Germany

来源：

IEEE GEOSCIENCE AND REMOTE SENSING LETTERS | 2008年 / 5卷 / 01期

关键词：

coherence optimization; multibaseline (MB); polarimetric synthetic aperture radar interferometry (PolInSAR);

D O I：

10.1109/LGRS.2007.908885

中图分类号：

P3 [地球物理学]; P59 [地球化学];

学科分类号：

0708 ; 070902 ;

摘要：

This letter analyzes different approaches for polarimetric optimization of multibaseline (MB) interferometric coherences. Two general methods are developed to simultaneously optimize coherences for more than two data sets. The first method provides every data set with a distinct dominant scattering mechanism (SM). The second optimization method is constrained to use equal SMs at all data sets. As the experimental results indicate, MB coherence optimization does improve the accuracy in the estimation of dominant SMs and the associated interferometric phases. Both methods are evaluated on real data acquired by the German Aerospace Agency (DLR)'s enhanced synthetic aperture radar sensor (ESAR) at L-band.

引用

页码：93 / 97

页数：5

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