[关键词]
[摘要]
新闻视频分析是视频分析领域的重要课题.提出了一种基于知识的新闻视频分析方法——二阶段模板匹配法,用于检测新闻节目中主持人口播镜头,从而为新闻单元的定位提供基本依据.该方法具有通用性和实时性的特点,可以在新闻视频的自动分析或自动索引系统中得到实际应用.
[Key word]
[Abstract]
News video analysis is an important field of video analysis. In this paper a knowledge-based analysis method for news video——a two-stage template matching method-to detect the anchorperson shot of news video is presented, which is a fundamental step for segmenting news video units. The method is both generic and real-time, and can be used in automatic news video analyzing and indexing systems.
[中图分类号]
[基金项目]
国家863高技术研究发展计划资助项目(863-306-ZT04-02-01);国防科技预研基金资助项目