Jiang Li Keman Yu Gang Chen Yong Wang Hanning Zhou Jizheng Xu King To Ng Kaibo Wang Lijie Wang Heung-Yeung Shum 597-598 2001 ACM Multimedia http://portal.acm.org/citation.cfm?id=500141.500253 db/conf/mm/mm2001.html#LiYCWZXNWWS01