Yoshifumi Kitamura Rong Rong Yoshinori Hirano Kazuhiro Asai Fumio Kishino Video agent: interactive autonomous agents generated from real-world creatures. 30-38 2008 VRST http://doi.acm.org/10.1145/1450579.1450586 conf/vrst/2008 db/conf/vrst/vrst2008.html#KitamuraRHAK08