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    Area monitoring using prototypical tracks
    1.
    发明授权
    Area monitoring using prototypical tracks 有权
    使用原型轨道进行区域监控

    公开(公告)号：US08614744B2

    公开(公告)日：2013-12-24

    申请号：US12176538

    申请日：2008-07-21

    申请人： Lisa M. Brown ,  Arun Hampapur ,  Andrew W. Senior ,  Chiao-Fe Shu ,  Ying-li Tian

    发明人： Lisa M. Brown ,  Arun Hampapur ,  Andrew W. Senior ,  Chiao-Fe Shu ,  Ying-li Tian

    IPC分类号： H04N7/18 ,  G08B13/00 ,  G06K9/00 ,  G01C23/00

    CPC分类号： G08B13/19613

    摘要： A solution for monitoring an area includes using a region schema for the area. The region schema can include a set of prototypical tracks, each of which includes a start location, an end location, and a trajectory. The trajectory comprises an expected path an object will travel between the start location and the end location and can include variation information that defines an amount that an object can vary from the trajectory. The region schema can be generated by obtaining training object tracking data for the area for an initialization time period and evaluating the object tracking data to identify the set of prototypical tracks. While monitoring the area, monitored object tracking data is obtained for a monitored object in the area, and abnormal behavior of the monitored object is identified when the monitored object tracking data for the monitored object does not follow at least one of the set of prototypical tracks in the region schema.

    摘要翻译： 用于监视区域的解决方案包括为区域使用区域模式。 区域模式可以包括一组原型轨道，每个轨道包括起始位置，终点位置和轨迹。 轨迹包括对象将在起始位置和结束位置之间行进的预期路径，并且可以包括定义对象可以从轨迹变化的量的变化信息。 可以通过获取用于初始化时间段的区域的训练对象跟踪数据并且评估对象跟踪数据来识别该组原型轨迹来生成区域模式。 在监视该区域时，为该区域中被监视对象获得被监视对象跟踪数据，并且当监视对象的被监视对象跟踪数据不遵循该组原型轨道中的至少一个时，监视对象的异常行为被识别 在区域模式。

    AREA MONITORING USING PROTOTYPICAL TRACKS
    2.
    发明申请
    AREA MONITORING USING PROTOTYPICAL TRACKS 有权
    使用原型轨迹进行区域监测

    公开(公告)号：US20100013656A1

    公开(公告)日：2010-01-21

    申请号：US12176538

    申请日：2008-07-21

    申请人： Lisa M. Brown ,  Arun Hampapur ,  Andrew W. Senior ,  Chiao-Fe Shu ,  Ying-li Tian

    发明人： Lisa M. Brown ,  Arun Hampapur ,  Andrew W. Senior ,  Chiao-Fe Shu ,  Ying-li Tian

    IPC分类号： G08B21/00

    CPC分类号： G08B13/19613

    摘要： A solution for monitoring an area includes using a region schema for the area. The region schema can include a set of prototypical tracks, each of which includes a start location, an end location, and a trajectory. The trajectory comprises an expected path an object will travel between the start location and the end location and can include variation information that defines an amount that an object can vary from the trajectory. The region schema can be generated by obtaining training object tracking data for the area for an initialization time period and evaluating the object tracking data to identify the set of prototypical tracks. While monitoring the area, monitored object tracking data is obtained for a monitored object in the area, and abnormal behavior of the monitored object is identified when the monitored object tracking data for the monitored object does not follow at least one of the set of prototypical tracks in the region schema.

    摘要翻译： 用于监视区域的解决方案包括为区域使用区域模式。 区域模式可以包括一组原型轨道，每个轨道包括起始位置，终点位置和轨迹。 轨迹包括对象将在起始位置和结束位置之间行进的预期路径，并且可以包括定义对象可以从轨迹变化的量的变化信息。 可以通过获取用于初始化时间段的区域的训练对象跟踪数据并且评估对象跟踪数据来识别该组原型轨迹来生成区域模式。 在监视该区域时，为该区域中被监视对象获得被监视对象跟踪数据，并且当监视对象的被监视对象跟踪数据不遵循该组原型轨道中的至少一个时，监视对象的异常行为被识别 在区域模式。

    REAL TIME PROCESSING OF VIDEO FRAMES FOR TRIGGERING AN ALERT
    7.
    发明申请
    REAL TIME PROCESSING OF VIDEO FRAMES FOR TRIGGERING AN ALERT 有权
    用于触发警报的视频框架的实时处理

    公开(公告)号：US20120320269A1

    公开(公告)日：2012-12-20

    申请号：US13597902

    申请日：2012-08-29

    申请人： Rogerio Schmidt Feris ,  Arun Hampapur ,  Zuoxuan Lu ,  Ying-li Tian

    发明人： Rogerio Schmidt Feris ,  Arun Hampapur ,  Zuoxuan Lu ,  Ying-li Tian

    IPC分类号： H04N5/04

    CPC分类号： G06T7/2053 ,  G06K9/00711 ,  G06K9/00718 ,  G06K9/00771 ,  G06K9/44 ,  G06T7/187 ,  G06T7/194 ,  G06T7/254 ,  G06T2207/10016 ,  G06T2207/10024 ,  G06T2207/20036 ,  G06T2207/30232

    摘要： A method and system for real time processing of a sequence of video frames. A current frame in the sequence and at least one frame in the sequence occurring prior to the current frame is analyzed. Each frame includes a two-dimensional array of pixels. The sequence of video frames is received in synchronization with a recording of the video frames in real time. The analyzing includes performing a background subtraction on the at least one frame, which determines a background image and a static region mask associated with a static region consisting of a contiguous distribution of pixels in the current frame. The static region mask identifies each pixel in the static region upon the static region mask being superimposed on the current frame. The background image includes the array of pixels and a background model of the at least one frame and does not include any moving object.

    摘要翻译： 一种用于实时处理视频帧序列的方法和系统。 分析序列中的当前帧和在当前帧之前发生的序列中的至少一个帧。 每帧包括二维像素阵列。 视频帧的序列与视频帧的实时记录同步地被接收。 所述分析包括在所述至少一个帧上执行背景减除，其确定与由当前帧中的连续的像素分布组成的静态区域相关联的背景图像和静态区域掩模。 当静态区域掩模叠加在当前帧上时，静态区域掩模识别静态区域中的每个像素。 背景图像包括像素阵列和至少一个帧的背景模型，并且不包括任何移动物体。

    REAL TIME PROCESSING OF VIDEO FRAMES FOR TRIGGERING AN ALERT
    8.
    发明申请
    REAL TIME PROCESSING OF VIDEO FRAMES FOR TRIGGERING AN ALERT 失效
    用于触发警报的视频框架的实时处理

    公开(公告)号：US20090244390A1

    公开(公告)日：2009-10-01

    申请号：US12054717

    申请日：2008-03-25

    申请人： Rogerio Schmidt Feris ,  Arun Hampapur ,  Zuoxuan Lu ,  Ying-li Tian

    发明人： Rogerio Schmidt Feris ,  Arun Hampapur ,  Zuoxuan Lu ,  Ying-li Tian

    IPC分类号： H04N5/275

    CPC分类号： G06T7/2053 ,  G06K9/00711 ,  G06K9/00718 ,  G06K9/00771 ,  G06K9/44 ,  G06T7/187 ,  G06T7/194 ,  G06T7/254 ,  G06T2207/10016 ,  G06T2207/10024 ,  G06T2207/20036 ,  G06T2207/30232

    摘要： A method for real time processing of a sequence of video frames. The video frames are received in synchronization with a recording of the video frames in real time for triggering an alert. The method is implemented by execution of program code on a processor of a computer system. Each frame includes a two-dimensional array of pixels and a frame-dependent color intensity at each pixel. An algorithm determines whether a static object in a current frame of the video frames is an abandoned object or a removed object. The determined status, the current frame time, the static region, and the static object are stored in a data storage medium of the computer system. An alarm is triggered in response to satisfaction of requirements that include a persistence requirement, a non-persistence duration requirement, and a persistence duration requirement.

    摘要翻译： 一种用于实时处理视频帧序列的方法。 与实时记录视频帧同步地接收视频帧以触发警报。 该方法通过在计算机系统的处理器上执行程序代码来实现。 每个帧包括像素的二维阵列和每个像素处的依赖于帧的颜色强度。 算法确定视频帧的当前帧中的静态对象是否为被放弃的对象或被移除的对象。 所确定的状态，当前帧时间，静态区域和静态对象被存储在计算机系统的数据存储介质中。 响应满足包括持久性要求，非持久持续时间要求和持续持续时间要求的要求而触发报警。

    Detection of abandoned and removed objects in a video stream
    9.
    发明授权
    Detection of abandoned and removed objects in a video stream 有权
    在视频流中检测被遗弃和删除的对象

    公开(公告)号：US08107678B2

    公开(公告)日：2012-01-31

    申请号：US12053827

    申请日：2008-03-24

    申请人： Rogerio Schmidt Feris ,  Arun Hampapur ,  Zuoxuan Max Lu ,  Ying-li Tian

    发明人： Rogerio Schmidt Feris ,  Arun Hampapur ,  Zuoxuan Max Lu ,  Ying-li Tian

    IPC分类号： G06K9/00

    CPC分类号： G06K9/00771 ,  G06K9/44 ,  G06T7/254 ,  G06T2207/10016 ,  G06T2207/30112

    摘要： A method for processing a time-ordered sequence of video frames. The method is implemented by execution of program code on a processor of a computer system. Each frame includes a two-dimensional array of pixels and a frame-dependent color intensity at each pixel. A current frame and at least one frame occurring prior to the current frame in the sequence are analyzed via a background subtraction on the at least one frame to determine a background image and a static region mask associated with a static region. The background subtraction determines an existence of a static object relating to the static region. A status of the static object is determined, the status being either that the static object is an abandoned object or that the static object is a removed object. The determined status is stored in a data storage medium of the computer system.

    摘要翻译： 一种用于处理视频帧的时间有序序列的方法。 该方法通过在计算机系统的处理器上执行程序代码来实现。 每个帧包括像素的二维阵列和每个像素处的依赖于帧的颜色强度。 通过在至少一个帧上的背景减法来分析在序列中的当前帧之前出现的当前帧和至少一个帧，以确定与静态区域相关联的背景图像和静态区域掩模。 背景减法确定与静态区域相关的静态对象的存在。 确定静态对象的状态，状态是静态对象是被放弃的对象，或者静态对象是被删除的对象。 所确定的状态存储在计算机系统的数据存储介质中。

    Real time processing of video frames for triggering an alert
    10.
    发明授权
    Real time processing of video frames for triggering an alert 有权
    实时处理视频帧以触发警报

    公开(公告)号：US08934670B2

    公开(公告)日：2015-01-13

    申请号：US13597902

    申请日：2012-08-29

    申请人： Rogerio Schmidt Feris ,  Arun Hampapur ,  Zuoxuan Lu ,  Ying-li Tian

    发明人： Rogerio Schmidt Feris ,  Arun Hampapur ,  Zuoxuan Lu ,  Ying-li Tian

    IPC分类号： G06K9/00 ,  G06T7/20

    CPC分类号： G06T7/2053 ,  G06K9/00711 ,  G06K9/00718 ,  G06K9/00771 ,  G06K9/44 ,  G06T7/187 ,  G06T7/194 ,  G06T7/254 ,  G06T2207/10016 ,  G06T2207/10024 ,  G06T2207/20036 ,  G06T2207/30232

    摘要： A method and system for real time processing of a sequence of video frames. A current frame in the sequence and at least one frame in the sequence occurring prior to the current frame is analyzed. Each frame includes a two-dimensional array of pixels. The sequence of video frames is received in synchronization with a recording of the video frames in real time. The analyzing includes performing a background subtraction on the at least one frame, which determines a background image and a static region mask associated with a static region consisting of a contiguous distribution of pixels in the current frame. The static region mask identifies each pixel in the static region upon the static region mask being superimposed on the current frame. The background image includes the array of pixels and a background model of the at least one frame and does not include any moving object.

    摘要翻译： 一种用于实时处理视频帧序列的方法和系统。 分析序列中的当前帧和在当前帧之前发生的序列中的至少一个帧。 每帧包括二维像素阵列。 视频帧的序列与视频帧的实时记录同步地被接收。 所述分析包括在所述至少一个帧上执行背景减除，其确定与由当前帧中的连续的像素分布组成的静态区域相关联的背景图像和静态区域掩模。 当静态区域掩模叠加在当前帧上时，静态区域掩模识别静态区域中的每个像素。 背景图像包括像素阵列和至少一个帧的背景模型，并且不包括任何移动物体。