Masaki Onishi Takehiko Kagebayashi Kunio Fukunaga Production of Video Images by Computer Controlled Cameras and Its Application to TV Conference System. 131-137 2001 conf/cvpr/2001 CVPR (2) http://doi.ieeecomputersociety.org/10.1109/CVPR.2001.990936 db/conf/cvpr/cvpr2001-2.html#OnishiKF01