In this paper, news story segmentation and topic caption text extraction, as well as content based video browsing and querying, are addressed in detail.
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 dissertation, news video as the research object, through the caption, audio, video, three different types of information studies, implemented on the news video story unit segmentation.
本文以新闻视频为研究对象，通过对字幕、音频、视频这三个不同类型信息的研究，实现了对新闻视频故事单元的分割。
The basic idea is to detect the shot boundaries first for news video, and then frames containing topic caption texts are identified to get news story segmentation cues using text detection algorithm.
其基本思想是先对新闻视频进行镜头边界检测；其次，通过文字检测算法检测包含有主题字幕文本的帧来获得新闻故事分段的线索；
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