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本文详细讲述了新闻故事的分段，主题字幕文本的提取和在此之上的基于内容的视频浏览和查询。
In this paper, news story segmentation and topic caption text extraction, as well as content based video browsing and querying, are addressed in detail.
综合上述方法，本文提出一种视频字幕的提取和检索方法。
Synthesizing these methods, we try to find a method used in subtitle extracting and video retrieval.
视频的自动标注是视频检索系统中的重要模块，而字幕的提取与定位则是视频标注的重要步骤。
The automatic video annotation is a key module of the video indexing and retrieval system, and the extraction and location of captions are important steps for video annotation.
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