Tatsuya Yoshikawa Norihiro Abe Hirokazu Taki Shoujie He Shunji Uchino Kazuaki Tanaka Tetsuya Yagi Voice and gesture recognition system facilitating Communication between man and virtual agent. 673-677 2006 conf/aina/2006 AINA (2) http://doi.ieeecomputersociety.org/10.1109/AINA.2006.347 db/conf/aina/aina2006.html#YoshikawaATHUTY06