%0 Journal Article
%T Topic Detection in News Video and Audio<br>新闻视频、音频中的主题检测
%A 陈凯江
%A 欧嘉致
%A 黄萱菁
%A 吴立德
%J 计算机科学
%D 2002
%I 
%X Topic Detection in News Video and Audio is to automatically detect snippets with a topic the user searches for, in the news streams, including video,audio and broadcasting. It is a novel research scope rises along with the rapid development of multimedia technology, automatic speech recognition and natural language processing. This technology detects the topic of the news in the semantic level and fits for most people's retrieval need.
%K Topic detection
%K Information retrieval
%K Video retrieval
%K Audio retrieval
%K Multimedia retrieval<br>语音识别
%K 自然语言处理
%K 新闻视频
%K 音频
%K 主题检测
%K 新闻节目
%U http://www.alljournals.cn/get_abstract_url.aspx?pcid=5B3AB970F71A803DEACDC0559115BFCF0A068CD97DD29835&cid=8240383F08CE46C8B05036380D75B607&jid=64A12D73428C8B8DBFB978D04DFEB3C1&aid=EC98ADA18AEFFC5C&yid=C3ACC247184A22C1&vid=771469D9D58C34FF&iid=708DD6B15D2464E8&sid=10F298ED9F164662&eid=8C83C265AD318E34&journal_id=1002-137X&journal_name=计算机科学&referenced_num=0&reference_num=26