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News Video Recognition Approach Based on Audio-video Template Matching
Author(s): 
Pages: 238-240
Year: Issue:  23
Journal: Video Engineering

Keyword:  news videoaudio-video templatevideo retrieval;
Abstract: 提出了一种基于音视模板匹配的新闻视频识别方法.在模板建立过程中,从新闻视频片头中的主题音乐提取音频模板,从主持人镜头中的扩展人脸区域提取视觉模板,这两者共同构成音视模板;在识别过程中,对电视视频流先进行音频模板匹配,然后由匹配通过的候选时间点定位到相应的视频镜头,接着通过视觉模板对镜头中的扩展人脸区域进行匹配,进而确定主持人镜头,最后完成新闻视频识别.实验结果表明,该方法计算效率高、简单易操作,具有较好的实用价值.
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