David Knossow Rémi Ronfard Radu Horaud Frederic Devernay Tracking with the Kinematics of Extremal Contours. 664-673 2006 conf/accv/2006-1 ACCV (1) http://dx.doi.org/10.1007/11612032_67 db/conf/accv/accv2006-1.html#KnossowRHD06