Its a worthy task of how to distill the character - semantic information in content - based video retrieval.

视频检索技术中如何利用视频中出现的“人物”提取有用的语义信息,是值得研究的课题.

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Tags - bookmarking sites have rich semantic information which can be used for content - based retrieval and recommendation.

标签为 基于 内容的检索推荐提供了丰富的语义信息,标记行为的协同特性为协同过滤推荐创造了条件.

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Text data presented in images and video contains useful and important semantic information for automatic indexing.

视频图像中的文本包含了丰富的语义层次上的内容描述信息,为基于语义的图像检索提供重要的索引信息资源.

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