播音员镜头探测是实现新闻视频结构化分析的有效途径。
Anchorperson shot detection is an effective way of news video structuring.
镜头探测是视频内容结构化分析的第一步，也是非常关键的一步。
Shot detection is the first step in video content structured analysis.
本文主要针对语义层次上的视频内容结构化分析和表达进行了研究。
In this thesis, we mainly develop the methods for video content analysis as well as video content representation on a semantic level.
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