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
- passive optical splitter
- passive protection
- passive Q switch
- passive Q-switch
- passive Q switching
- passive Q-switching
- passive query
- passive radar
- passive radar homing guidance
- passive radar seeker
- passive radio frequency identification devices tag
- passive radio frequency identification devices tag, passive RFID tag
- passive reference cavity frequency stabilization
- passive remote sensing
- passive resistance factors
- passive review
- passive RFID tag
- passive rifting
- passive rift valley
- passive risk control
- passive routing
- passive safety
- passive safety system
- passive satellite
- passive selective catalytic reduction system for nitrogen oxides