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We propose a graphical data model for specifying spatio-temporal semantics of video data. The proposed model segments a video clip into subsegments consisting of objects. Each object is detected and… Expand
Proposes an extension to an earlier proposed temporal synchronization model, called OCPN. The new model allows one to specify spatial operations at the time of authoring the multimedia information.… Expand
The paper presents a framework for data modeling and semantic abstraction of image/video data. The framework is based on spatio-temporal information associated with salient objects in an image or in… Expand
The organization and management of multimedia information has been the subject of extensive research and development since the mid-1980s. However, a number of issues need to be addressed prior to… Expand
PURPOSE: To map an object position in a camera image by rapid and simple calculation even when a camera parameter is changed and to easily execute identification for searching the object.… Expand