理学 多媒体检索 释 video search 视频搜索 在汇集互联网众多在线视频播放资源而形成的庞大视频数据库中，通过对海量的非结构化的视频数据进行结构化分析，提取视频内容的特征（包含语义特征），并在此基础上实现从内容上对视频进行检索的方法。
数据库 数据库新技术 释文 video search 视频搜索
- National Front
- National Front of Malaysia
- National Fujian School of Music
- National Gallery
- National Gallery in Prague
- National Gallery of Art
- National Gallery of Australia
- National Gallery of Canada
- National Gallery of Denmark（Statens Museum for Kunst）
- National Gallery of Ireland
- National Gallery of Modern Art
- National Gallery of Victoria
- National Gallery of Zimbabwe
- National Gallery Prague
- National Games for Ethnic Minorities of China
- National Games of China
- National Games of the People’s Republic of China
- national garden city
- National Gendarmerie of France
- National General Atlas of the People’s Republic of China
- National General Bibliography
- National General Station of Animal and Veterinary Service
- National Geodetic Survey
- National Geographic Magazine
- National Geographic Society