Polarimetric SAR Coherent Change Detection

Konferenz: EUSAR 2008 - 7th European Conference on Synthetic Aperture Radar
02.06.2008 - 05.06.2008 in Friedrichshafen, Germany

Tagungsband: EUSAR 2008

Seiten: 4Sprache: EnglischTyp: PDF

Persönliche VDE-Mitglieder erhalten auf diesen Artikel 10% Rabatt

Preiss, Mark; Stacy, Nick J. S. (Defence Science and Technology Organisation, PO Box 1500 Edinburgh 5111, Australia)

In repeat pass interferometric SAR man-made scene changes may be detected by identifying regions of low coherence. The ability to detect such changes however, depends on other sources of decorrelation such as environment effects and baseline decorrelation. Recently a Log Likelihood Change Statistic (LLCS) has been derived by formulating the problem in a Bayesian hypothesis testing framework. In this paper the LLCS is extended to exploit the additional information available in polarimetric SAR imagery. It is shown through simulation and application to experimental data that the fully polarimetric LLCS significantly improves the ability to detect scene changes.