Peiquan Jin Lihua Yue Yuchang Gong A New Approach to Representing Continuously Moving Regions. 70-73 2004 conf/compsac/2004 COMPSAC Workshops http://csdl.computer.org/comp/proceedings/compsac/2004/2209/02/220920070abs.htm db/conf/compsac/compsac2004-W.html#JinYG04