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    • 3. 发明申请
    • USER ASSISTED CUSTOMIZATION OF AUTOMATED VIDEO SURVEILLANCE SYSTEMS
    • 用户辅助自动化视频监控系统的自定义
    • US20080266395A1
    • 2008-10-30
    • US12166230
    • 2008-07-01
    • Mi-Suen Lee
    • Mi-Suen Lee
    • H04N7/18
    • H04N7/18
    • A surveillance system allows a user to characterize the user's environment and/or the user s surveillance application, via a selection from among a variety of predefined environments and/or applications. Preferably, the selection is from among a variety of scene configurations, such as the expected number and type of targets in a typical scene, the lighting conditions of the scene, and so on. The selected environments and/or applications effect a determination of the parameters that are used in the various algorithms and processing modules within the surveillance system. Because the selection is preferably from a variety of common scene configurations, no technical skills are required to effect an optimization of the performance of the surveillance system for a particular environment.
    • 监视系统允许用户通过来自各种预定义的环境和/或应用之间的选择来表征用户的环境和/或用户的监视应用。 优选地,选择来自各种场景配置,例如典型场景中的目标的预期数量和类型,场景的照明条件等。 所选择的环境和/或应用程序影响在监视系统内的各种算法和处理模块中使用的参数的确定。 因为选择优选地来自各种常见的场景配置,所以不需要技术技能来实现对特定环境的监视系统的性能的优化。
    • 4. 发明授权
    • User assisted customization of automated video surveillance systems
    • 用户协助定制自动化视频监控系统
    • US07446797B2
    • 2008-11-04
    • US10435344
    • 2003-05-09
    • Mi-Suen Lee
    • Mi-Suen Lee
    • H04N7/18
    • H04N7/18
    • A surveillance system allows a user to characterize the user's environment and/or the user's surveillance application, via a selection from among a variety of predefined environments and/or applications. Preferably, the selection is from among a variety of scene configurations, such as the expected number and type of targets in a typical scene, the lighting conditions of the scene, and so on. The selected environments and/or applications effect a determination of the parameters that are used in the various algorithms and processing modules within the surveillance system. Because the selection is preferably from a variety of common scene configurations, no technical skills are required to effect an optimization of the performance of the surveillance system for a particular environment.
    • 监视系统允许用户通过来自各种预定义的环境和/或应用的选择来表征用户的环境和/或用户的监视应用。 优选地,选择来自各种场景配置,例如典型场景中的目标的预期数量和类型,场景的照明条件等。 所选择的环境和/或应用程序影响在监视系统内的各种算法和处理模块中使用的参数的确定。 因为选择优选地来自各种常见的场景配置,所以不需要技术技能来实现对特定环境的监视系统的性能的优化。
    • 5. 发明授权
    • Linking tracked objects that undergo temporary occlusion
    • 连接被暂时遮挡的跟踪对象
    • US07394916B2
    • 2008-07-01
    • US10638021
    • 2003-08-08
    • Tomas BrodskyYun-Ting Lin
    • Tomas BrodskyYun-Ting Lin
    • G06K9/00H04N7/18H04N5/225
    • G06K9/32G06T7/292G06T2207/30196G06T2207/30232
    • A method and system is configured to characterize regions of an environment by the likelihoods of transition of a target from each region to another. The likelihoods of transition between regions is preferably used in combination with conventional object-tracking algorithms to determine the likelihood that a newly-appearing object in a scene corresponds to a recently-disappeared target. The likelihoods of transition may be predefined based on the particular environment, or may be determined based on prior appearances and disappearances in the environment, or a combination of both. The likelihoods of transition may also vary as a function of the time of day, day of the week, and other factors that may affect the likelihoods of transitions between regions in the particular surveillance environment.
    • 一种方法和系统被配置为通过目标从每个区域到另一个区域的转变的可能性来表征环境的区域。 区域之间的过渡的可能性优选与传统的对象跟踪算法结合使用,以确定场景中新出现的物体对应于最近消失的目标的可能性。 转移的可能性可以基于特定环境来预定义,或者可以基于环境中的先前出现和失踪或两者的组合来确定。 过渡的可能性也可能随着一天中的时间,星期几以及可能影响特定监视环境中的区域之间的转换的可能性的其他因素而变化。
    • 7. 发明申请
    • Size calibration and mapping in overhead camera view
    • 高空摄像机视图中的尺寸校准和映射
    • US20070024704A1
    • 2007-02-01
    • US11329461
    • 2006-01-11
    • Yun-Ting LinTomas BrodskyMi-Suen Lee
    • Yun-Ting LinTomas BrodskyMi-Suen Lee
    • H04N7/18H04N9/47
    • G06K9/00362G06T7/80
    • To calibrate images from an overhead camera, two equal-length reference lines at different heights relative to the floor plane are imaged. By comparing the resultant image-width of each of these lines in the view provided by the camera, the effective focal point of the camera is determined. In a preferred embodiment, a doorframe is used to provide equal-length lines at different heights parallel to the floor. The threshold of the doorway at the floor plane is used as a reference plane, and a parallel calibration line at a known/measured height in the doorway is defined. The image produced by a vertically oriented camera of these two equal length lines will show a longer line at the elevated position, the different widths of the images of these lines being dependent upon the camera's effective focal point. From these two projections of the equal-length lines at different heights, the camera's focal point distance from the reference floor plane is determined.
    • 为了校准来自高架摄像机的图像,对相对于平面平面的不同高度的两条等长参考线进行成像。 通过比较由相机提供的视图中的每一行的合成图像宽度,确定相机的有效焦点。 在优选实施例中,门框用于提供与地板平行的不同高度的等长线。 将地板平面上门口的阈值用作参考平面,并且定义门口处已知/测量高度的平行校准线。 由这两条相同长度线的垂直取向的相机产生的图像将在升高的位置显示较长的线,这些线的图像的不同宽度取决于相机的有效焦点。 从不同高度的等长线的这两个投影,确定相机与基准平面的焦点距离。