Alireza Tavakoli Targhi Eric Hayman Jan-Olof Eklundh Mehrdad Shahshahani The Eigen-Transform and Applications. 70-79 2006 conf/accv/2006-1 ACCV (1) http://dx.doi.org/10.1007/11612032_8 db/conf/accv/accv2006-1.html#TarghiHES06