Robert AmelardAlexander WongDavid A. ClausiUnsupervised classification of agricultural land cover using polarimetric synthetic aperture radar via a sparse texture dictionary model.4383-43862013IGARSShttps://doi.org/10.1109/IGARSS.2013.6723806conf/igarss/2013db/conf/igarss/igarss2013.html#AmelardWC13