A video conferencing method automatically detects, within an image generated by a camera, locations and relative sizes of faces. Based upon the detection, a control system tracks each face and keeps a camera pointed at and focused on each face, regardless of movement about a room or other space. Preferably,...http://www.google.com/patents/US20020113862?utm_source=gb-gplus-sharePatent US20020113862 - Videoconferencing method with tracking of face and dynamic bandwidth allocation
