This paper presents a video model suited for video object composition and analyzes the structured feature of video object.

提出适合视频对象合成的结构化视频模型，分析视频对象的结构特点。

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Detailed analyze structured video content and model of video content, discuss the key problem of presentation of video information, metadata description of content and the produce of description etc.

对视频内容的结构化及视频数据内容模型进行了详细分析，着重讨论了视频信息的结构化、视频内容的元数据描述、描述生成等方面的关键性技术问题。

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