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17 January 2005 An event-description framework for video application using spatio-temporal relations
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Video applications usually involve a large number of moving objects. Moving objects refer to semantic real-world entity definitions that are used to denote a coherent spatial region and be automatically computed by the continuity of spatial low-level features, such as color and motion. Spatial and temporal relationships among these objects should be efficiently supported and retrieved within a video authoring tool. In this paper we present several spatial, temporal and spatio-temporal relationships of interest and propose efficient indexing scheme, based on multidimensional spatial data structures, for video applications that involve objects. So, we emphasize on analyzing and interpreting video object motions for advanced video application. To realize this objective the research in this field is subdivided into two main directions: (1) Moving objects description at the low levels: using the spatio-temporal relationships to analyze and present the video object motions. (2) Moving object description at the semantic level: Actions, events and interactions of moving objects.
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Miyoung Cho, Dan Song, Juhyun Shin, Hanil Kim, and Pankoo Kim "An event-description framework for video application using spatio-temporal relations", Proc. SPIE 5670, Internet Imaging VI, (17 January 2005);


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