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    A Model for Content Representation of Multimedia Information

    Challenge of Image Retrieval

    University of Northumbria at Newcastle, UK. 5th February 1998


    A. Caetano & N. Guimaraes


    This paper presents a generic model to describe the content and structure of video and image data.

    A video model is used to create a set of hierarchic groups that describe the structure of a video, allowing semantic concepts, such as scenes, to be represented.

    The description of the video content includes temporal features extracted from the video shots and spatial features of the key-frames.

    We describe the method of creating a complete description for video material at three different levels of abstraction: group, shot and key-frame.

    We also describe a heuristic process to extract the key-frames from a video shot.


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