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    • 2. 发明申请
    • VIDEO SURVEILLANCE SYSTEM
    • 视频监控系统
    • US20110205359A1
    • 2011-08-25
    • US12709192
    • 2010-02-19
    • Kuo Chu LEEHasan Timucin OZDEMIRXiangjun SHILipin LIUNamsoo JOOJuan YUJun LIU
    • Kuo Chu LEEHasan Timucin OZDEMIRXiangjun SHILipin LIUNamsoo JOOJuan YUJun LIU
    • H04N7/18
    • G06K9/00771G06T7/285G08B13/19608G08B13/19676
    • A video surveillance system is disclosed. The system includes a model database storing a plurality of models and a vector database storing a plurality of vectors of recently observed trajectories. The system includes a model building module that builds a new motion model corresponding to the motion data of the current trajectory data structure. The system generates a current trajectory data structure having motion data and abnormality scores. The system also includes a database purging module configured to determine a subset of vectors that is most similar to the current trajectory data structure based on a measure of similarity between the subset of vectors and the current trajectory data structure. The database purging module is further configured to replace one of the motion models in the model database with the new motion model based on an amount of vectors in the subset vectors the recentness of the subset of vectors.
    • 公开了一种视频监控系统。 该系统包括存储多个模型的模型数据库和存储最近观察到的轨迹的多个矢量的矢量数据库。 该系统包括建立与当前轨迹数据结构的运动数据相对应的新运动模型的模型构建模块。 该系统产生具有运动数据和异常分数的当前轨迹数据结构。 该系统还包括数据库清除模块,其被配置为基于矢量子集与当前轨迹数据结构之间的相似度测量来确定与当前轨迹数据结构最相似的向量子集。 数据库清除模块还被配置为基于子集向量中矢量子集的近似度,用新的运动模型替换模型数据库中的运动模型中的一个。