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15 October 2015 Change detection in quad and dual pol, single- and bi-frequency SAR data
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Abstract
When the covariance matrix representation is used for multi-look polarimetric synthetic aperture radar (SAR) data, the complex Wishart distribution applies. Based on this distribution a likelihood ratio test statistic for equality of two complex variance-covariance matrices and an associated p-value are given. In a case study airborne EMISAR C- and L-band SAR images covering agricultural fields and wooded areas near Foulum, Denmark, are used in single- and bi-frequency, bi-temporal change detection with full and dual polarimetry data.
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Allan A. Nielsen, Knut Conradsen, and Henning Skriver "Change detection in quad and dual pol, single- and bi-frequency SAR data", Proc. SPIE 9643, Image and Signal Processing for Remote Sensing XXI, 964313 (15 October 2015); https://doi.org/10.1117/12.2194853
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