Lee, Anthony J.T.Anthony J.T.LeeYu, PingPingYuChiu, Han-PangHan-PangChiu2010-10-132018-06-292010-10-132018-06-292005http://ntur.lib.ntu.edu.tw//handle/246246/214868en-US3D Z-string: a new knowledge structure to represent spatio-temporal relations between video objects