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Content and Trajectory Retrievals of Moving Objects in Video Databases  

복경수 (충북대학교 정보통신공학과)
유재수 (충북대학교 전기전자컴퓨터공학부, 컴퓨터ㆍ정보통신연구소)
Publication Information
Journal of KIISE:Databases / v.31, no.3, 2004 , pp. 219-231 More about this Journal
Abstract
Recently, together with increasing use of multimedia data, many works on moving objects in video databases have been made. Moving objects change visual features and spatial positions with the lapse of time in video data. And they arc related to the other objects or events. In this paper, we propose a new modeling and various query types of moving objects for content based retrieval in video databases. The proposed modeling represents visual features, moving trajectories and semantic contents related to objects. Therefore, it allows to process various query types. And we propose various query operators for the retrieval types. To show the superiority of our modoling, we implement the retrieval systems and compare it with the existing methods in terms of the supporting query types. The proposed method supports various query types and improves the efficiency of the query processing over the existing methods.
Keywords
Moving objects; Trajectory; Content Based Retrieval; Video Database;
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