Zheng Wu Margrit Betke Jingbin Wang Vassilis Athitsos Stan Sclaroff Tracking with Dynamic Hidden-State Shape Models. 643-656 2008 ECCV (1) http://dx.doi.org/10.1007/978-3-540-88682-2_49 conf/eccv/2008-1 db/conf/eccv/eccv2008-1.html#WuBWAS08