一个基于内容的新闻视频浏览和查询系统:NewsBR  

Content-based News Video Browsing and Querying System: NewsBR

作　　者：刘华咏[1] 周洞汝[1] 

机构地区：[1]武汉大学计算机学院,湖北武汉430072

出　　处：《小型微型计算机系统》2004年第4期535-539,共5页Journal of Chinese Computer Systems

基　　金：国家自然科学基金项目 ( 60 173 0 45 )资助

摘　　要：提出了一个基于内容的新闻视频浏览和查询系统 News BR.这个系统是建立在非常准确的新闻故事分段和主题字幕文本提取之上的 .它的主要特征包括 :基于类别的新闻故事浏览 ,基于关键帧的视频摘要和基于关键词的新闻故事查询 .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 .An advanced content based news video browsing and querying system, NewsBR, is proposed in this work. The system is built on high accuracy news story segmentation and topic caption text extraction. Its main features include category based news story browsing, key frame based video abstract and keyword based news story querying. In this paper, news story segmentation and topic caption text extraction, as well as content based video browsing and querying, are addressed in detail. The system is helpful and effective for the overall understanding of the news video content.

关 键 词：基于内容的视频浏览和查询 新闻故事分段 音视频信息分析 字幕提取 

分 类 号：TP391[自动化与计算机技术—计算机应用技术]