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    • 12. 发明授权
    • Threat-detection in a distributed multi-camera surveillance system
    • 分布式多摄像机监控系统中的威胁检测
    • US08760519B2
    • 2014-06-24
    • US11675849
    • 2007-02-16
    • Hasan Timucin OzdemirKuo Chu Lee
    • Hasan Timucin OzdemirKuo Chu Lee
    • H04N7/18G08B13/196H04N5/228
    • G08B13/19608G08B13/19645G08B25/009H04N7/188
    • A method is provided for detecting a threat in a distributed multi-camera surveillance system. The method includes: monitoring movement of an object in a field of view of a first camera using software installed at the first camera; detecting a suspicious object at the first camera when movement of the object does not conform with a motion flow model residing at the first camera; sending a tracking request from the first camera to a second camera upon detecting the suspicious object at the first camera; monitoring movement of the object in a field of view of the second camera using software installed at the second camera; assigning threat scores at the second camera when the movement of the object does not conform with a motion flow model residing at the second camera; and generating an alarm based in part on the threat scores detected at the first camera and the second camera.
    • 提供了一种用于检测分布式多摄像机监视系统中的威胁的方法。 该方法包括:使用安装在第一相机的软件监视第一相机的视场中的对象的移动; 当物体的移动不符合驻留在第一相机的运动流模型时,在第一相机处检测可疑物体; 在第一相机检测到可疑对象时,将第一相机的跟踪请求发送到第二相机; 使用安装在第二相机上的软件监视第二相机的视场中的对象的移动; 当对象的移动不符合驻留在第二相机的运动流模型时,在第二相机处分配威胁分数; 并且部分地基于在第一相机和第二相机处检测到的威胁分数来产生报警。
    • 14. 发明授权
    • Secure and private ISCSI camera network
    • 安全和私有的ISCSI摄像机网络
    • US07426743B2
    • 2008-09-16
    • US11058557
    • 2005-02-15
    • Kuo Chu LeeLipin LiuHasan Timucin Ozdemir
    • Kuo Chu LeeLipin LiuHasan Timucin Ozdemir
    • H04N7/173H04N5/225H04N5/232
    • H04N5/23206H04N5/232H04N7/181
    • A peer-to-peer camera sensor network is defined using intelligent cameras that employ iSCSI initiators and iSCSI targets to read and write data and to send control commands directly across the network as iSCSI blocks. Because data transfer rides on top of the internet protocol, cameras can be directly attached to the internet without requiring attachment to a host computer. Image data represented as video frames are mapped onto iSCSI data blocks and are shared among the cameras directly to form an efficient virtual block level video image frame storage that can be directly manipulated by multiple cameras without data replications. Transport of multiple streams, associated with scalable or multilevel MPEG encoding scheme for instance, are automatically sequenced and realigned as the iSCSI data blocks are time-aligned.
    • 使用智能摄像机定义对等摄像机传感器网络,该摄像机采用iSCSI启动器和iSCSI目标来读取和写入数据,并通过网络作为iSCSI块直接发送控制命令。 由于数据传输是在互联网协议之上进行的,摄像机可以直接连接到互联网,而无需附加到主机。 表示为视频帧的图像数据被映射到iSCSI数据块,并且直接在相机之间共享,以形成可以由多个摄像机直接操纵而无需数据复制的有效的虚拟块级视频图像帧存储。 例如,与可扩展或多级MPEG编码方案相关联的多个流的传输将自动排序并重新对齐,因为iSCSI数据块是时间对齐的。
    • 18. 发明申请
    • THREAT-DETECTION IN A DISTRIBUTED MULTI-CAMERA SURVEILLANCE SYSTEM
    • 分布式多摄像机监控系统中的故障检测
    • US20080198231A1
    • 2008-08-21
    • US11675849
    • 2007-02-16
    • Hasan Timucin OZDEMIRKuo Chu Lee
    • Hasan Timucin OZDEMIRKuo Chu Lee
    • H04N7/18
    • G08B13/19608G08B13/19645G08B25/009H04N7/188
    • A method is provided for detecting a threat in a distributed multi-camera surveillance system. The method includes: monitoring movement of an object in a field of view of a first camera using software installed at the first camera; detecting a suspicious object at the first camera when movement of the object does not conform with a motion flow model residing at the first camera; sending a tracking request from the first camera to a second camera upon detecting the suspicious object at the first camera; monitoring movement of the object in a field of view of the second camera using software installed at the second camera; assigning threat scores at the second camera when the movement of the object does not conform with a motion flow model residing at the second camera; and generating an alarm based in part on the threat scores detected at the first camera and the second camera.
    • 提供了一种用于检测分布式多摄像机监视系统中的威胁的方法。 该方法包括:使用安装在第一相机的软件监视第一相机的视场中的对象的移动; 当物体的移动不符合驻留在第一相机的运动流模型时,在第一相机处检测可疑物体; 在第一相机检测到可疑对象时,将第一相机的跟踪请求发送到第二相机; 使用安装在第二相机上的软件监视第二相机的视场中的对象的移动; 当对象的移动不符合驻留在第二相机的运动流模型时,在第二相机处分配威胁分数; 并且部分地基于在第一相机和第二相机处检测到的威胁分数来产生报警。
    • 20. 发明授权
    • Associative vector storage system supporting fast similarity search based on self-similarity feature extractions across multiple transformed domains
    • 基于跨多个转化域的自相似特征提取的相关向量存储系统,支持快速相似性搜索
    • US07583845B2
    • 2009-09-01
    • US11354761
    • 2006-02-15
    • Kuo Chu LeeHasan Timucin Ozdemir
    • Kuo Chu LeeHasan Timucin Ozdemir
    • G06K9/36
    • G06K9/6232
    • An associative vector storage system has an encoding engine that takes input vectors, and generates transformed coefficients for a tunable number of iterations. Each iteration performs a complete transformation to obtain coefficients, thus performing a process of iterative transformations. The encoding engine selects a subset of coefficients from the coefficients generated by the process of iterative transformations to form an approximation vector with reduced dimension. A data store stores the approximation vectors with a corresponding set of meta data containing information about how the approximation vectors are generated. The meta data includes one or more of the number of iterations, a projection map, quantization, and statistical information associated with each approximation vector. A search engine uses a comparator module to perform similarity search between the approximation vectors and a query vector in a transformed domain. The search engine uses the meta data in a distance calculation of the similarity search.
    • 关联向量存储系统具有获取输入向量的编码引擎,并且生成用于可调整迭代次数的变换系数。 每次迭代执行完整的变换以获得系数,从而执行迭代变换的过程。 编码引擎从由迭代变换过程生成的系数中选择系数子集,以形成尺寸减小的近似向量。 数据存储器存储具有包含关于如何生成近似向量的信息的对应的元数据集合的近似向量。 元数据包括与每个近似向量相关联的迭代次数,投影图,量化和统计信息中的一个或多个。 搜索引擎使用比较器模块来执行近似向量和变换域中的查询向量之间的相似性搜索。 搜索引擎在相似性搜索的距离计算中使用元数据。