Trajectory-Based video retrieval for multimedia information systems

Authors:
Choon-Bo Shim;Jae-Woo Chang;Young-Chang Kim
Affiliations:
School of Computer Information Engineering, Catholic University of Pusan, Pusan, South Korea;Dept. of Computer Engineering, Research Center for Advanced LBS Applications, Chonbuk National University, Chonju, Chonbuk, South Korea;Dept. of Computer Engineering, Research Center for Advanced LBS Applications, Chonbuk National University, Chonju, Chonbuk, South Korea
Venue:
ADVIS'04 Proceedings of the Third international conference on Advances in Information Systems
Year:
2004

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Abstract

In this paper, we develop a trajectory-based video retrieval system. To achieve it, we first design a spatio-temporal representation scheme for modeling the trajectories of moving objects in video databases. In addition, we present an efficient trajectory-based retrieval scheme using a k-warping distance algorithm. Finally, we propose a new signature-based access method which can provide good retrieval performance on a trajectory-based query. To show the usefulness of applying our above schemes to a real video database application, we implement a trajectory-based soccer video retrieval system because soccer video data generally contain a lot of motions according to a salient object called soccer ball. Our soccer video retrieval system provides graphic user interfaces for both indexing and retrieval. We also provide the performance analysis of our trajectory-based video retrieval scheme.