Title :
Change detection in polarimetric SAR data over several time points
Author :
Conradsen, Knut ; Nielsen, Allan Aasbjerg ; Skriver, Henning
Author_Institution :
DTU Compute - Appl. Math. & Comput. Sci., Tech. Univ. of Denmark, Lyngby, Denmark
Abstract :
A test statistic for the equality of several variance-covariance matrices following the complex Wishart distribution is introduced. The test statistic is applied successfully to detect change in C-band EMISAR polarimetric SAR data over four time points.
Keywords :
covariance matrices; radar polarimetry; radar signal processing; statistical distributions; synthetic aperture radar; C-band EMISAR polarimetric SAR data; change detection; complex Wishart distribution; test statistic; variance-covariance matrix equality; Covariance matrices; Geoscience; Image edge detection; Polarimetry; Probability; Scattering; Synthetic aperture radar;
Conference_Titel :
Geoscience and Remote Sensing Symposium (IGARSS), 2014 IEEE International
Conference_Location :
Quebec City, QC
DOI :
10.1109/IGARSS.2014.6947502
