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
- metal carbyne; metallocarbyne
- metal catalyst
- metal catalysts
- metal cathode
- metal cationic complex
- metal cementation
- metal-ceramic
- metal/ceramic matrix gradient composites
- metal cluster
- metal cluster compound
- metal coated fibers
- metal complex active DNA alkylating agent
- metal complex dye
- metal complex ion chromatography
- metal complex ion chromatography (MCIC)
- metal complex ligands to G quadruplex
- metal complex ligands to G-quadruplex
- metal conducting material
- metal conductive filament
- metal coordination polymer
- metal corrosion
- metal corrosion prevention of thermal power equipment
- metal-corrosion protection by plasma
- metal cutting machine tools safety
- metal cutting principle