A virtual view system uses raw imagery from cameras placed around a sporting arena to generate virtual views of the sporting event from any contemplated view point. The system consists of an optical tracking system, a virtual environment server, and one or more virtual view stations. The optical tracking...http://www.google.com.hk/patents/US6124862?utm_source=gb-gplus-share專利 US6124862 - Method and apparatus for generating virtual views of sporting events
