Jacob Goldberger Hayit Greenspan Jeremie Dreyfuss An Optimal Reduced Representation of a MoG with Applicatios to Medical Image Database Classification. 2007 conf/cvpr/2007 CVPR http://dx.doi.org/10.1109/CVPR.2007.383334 db/conf/cvpr/cvpr2007.html#GoldbergerGD07