Networked surveillance and control system
    1.
    发明授权
    Networked surveillance and control system 有权
    网络监控系统

    公开(公告)号:US06646676B1

    公开(公告)日:2003-11-11

    申请号:US09612876

    申请日:2000-07-10

    IPC分类号: H04N718

    摘要: A surveillance and control system includes a feature extraction unit to dynamically extract low-level features from a compressed digital video signal, a description encoder, coupled to the feature extraction unit, to encode the low-level features as content descriptors. An event detector is coupled to the description encoder to detect security events from the content descriptors, and a control signal processor, coupled to the event detector, to generate control signals in response to detecting the security events.

    摘要翻译: 监视和控制系统包括特征提取单元,其从压缩数字视频信号动态地提取低级特征,耦合到特征提取单元的描述编码器,以将低级特征编码为内容描述符。 事件检测器耦合到描述编码器以检测来自内容描述符的安全事件,以及耦合到事件检测器的控制信号处理器,以响应于检测到安全事件而产生控制信号。