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    • 25. 发明申请
    • MULTI CAMERA REGISTRATION FOR HIGH RESOLUTION TARGET CAPTURE
    • 用于高分辨率目标捕获的多摄像机登记
    • US20110128385A1
    • 2011-06-02
    • US12629733
    • 2009-12-02
    • Saad J. BedrosBen MillerMichael Janssen
    • Saad J. BedrosBen MillerMichael Janssen
    • H04N5/33H04N5/225H04N5/262H04N5/228
    • H04N7/181H04N5/232H04N5/23219H04N5/247
    • A multi-camera arrangement for capturing a high resolution image of a target. A first camera may be for capturing a wide field of view low resolution image having a target. The target or a component of it may be border-boxed with a marking. The target may be a human being component, such as a face, having approximately the same size among virtually all humans. A distance of the target may be determined from a known size of a component of the target. The target may be other items of similar size. Coordinates of pixels of the image portion containing the target may be mapped to a pan, tilt and zoom (PTZ) camera. The pan and tilt of the PTZ camera may be adjusted according to image information from the wide field of view camera. Then the PTZ camera may zoom in on the target to obtain a high resolution image of the target.
    • 用于捕获目标的高分辨率图像的多相机布置。 第一相机可以用于捕获具有目标的宽视场低分辨率图像。 目标或其组件可能带有标记的边框。 目标可以是人类组成部分,例如面部,在几乎所有人中具有大致相同的大小。 可以根据目标的分量的已知大小来确定目标的距离。 目标可能是其他类似大小的项目。 可以将包含目标的图像部分的像素的坐标映射到平移,倾斜和变焦(PTZ)相机。 PTZ摄像机的摇摄和倾斜可以根据来自宽视野摄像机的图像信息进行调整。 然后PTZ摄像机可以放大目标以获得目标的高分辨率图像。
    • 26. 发明授权
    • Event packaged video sequence
    • 事件打包视频序列
    • US07760908B2
    • 2010-07-20
    • US10907411
    • 2005-03-31
    • Keith L. CurtnerSaad J. BedrosKwongWing Au
    • Keith L. CurtnerSaad J. BedrosKwongWing Au
    • G06K9/00
    • G11B27/28G06F17/3079G06F17/30831G08B13/19606G08B13/19613G08B13/19669G08B13/19671G08B13/1968G08B13/19682G11B27/322H04N7/181
    • Methods and systems for packaging video sequences based on user-specified events are described herein. An illustrative method of event-packaging a video sequence may include the steps of acquiring a video stream containing an event of interest, extracting various event information from the video stream and storing one or more event parameters within an event database, extracting a video clip from the video stream containing the event of interest, associating metadata representing the event parameters to the video clip, and exporting the video clip containing the event of interest and associated metadata to an external agent. In certain embodiments, a video image-processing appliance manager and/or one or more appliance modules can be provided to automatically extract event information from the acquired video stream, and to manage the indexing and storage of event parameters within the event database. A graphical user interface may also be provided to permit the event information extracted from the video stream to be compared against a set of user-specified event parameters.
    • 本文描述了基于用户指定事件来封装视频序列的方法和系统。 事件包装视频序列的说明性方法可以包括以下步骤:获取包含感兴趣事件的视频流,从视频流中提取各种事件信息,并将一个或多个事件参数存储在事件数据库内,从 所述视频流包含感兴趣的事件,将表示所述事件参数的元数据与所述视频剪辑相关联,以及将包含感兴趣事件的视频剪辑和相关联的元数据导出到外部代理。 在某些实施例中,视频图像处理设备管理器和/或一个或多个设备模块可被提供以从所获取的视频流自动提取事件信息,并且管理事件数据库内的事件参数的索引和存储。 还可以提供图形用户界面以允许将从视频流提取的事件信息与一组用户指定的事件参数进行比较。
    • 28. 发明授权
    • Tracking a moving object from a camera on a moving platform
    • 从移动平台上的相机跟踪移动物体
    • US07541565B2
    • 2009-06-02
    • US12177550
    • 2008-07-22
    • Kartik B. AriyurSaad J. BedrosVassilios Morellas
    • Kartik B. AriyurSaad J. BedrosVassilios Morellas
    • G01J1/20G01C21/02
    • G06K9/209G01S3/7864G06K9/32G06T7/246G06T2207/10016G06T2207/30181G06T2207/30212
    • A computer-readable medium having computer-executable instructions for performing a method. The method includes determining the transformation of an origin of an imaging device positioned in a vehicle and implementing exponentially stabilizing control laws based on the determined transformation and a distance to an imaged target. The method also includes generating a rotation output from the exponentially stabilizing control laws, generating a zoom output from the exponentially stabilizing control laws, determining a system latency in redirecting an optical axis and modifying a lens system along the optical axis, and determining the transformation of the origin of the imaging device with respect to global coordinates. A centroid of the target image is maintained within a selected distance from the origin of the imaging device. The apparent distance between the imaged target and the imaging device is also maintained.
    • 一种具有用于执行方法的计算机可执行指令的计算机可读介质。 该方法包括确定位于车辆中的成像装置的原点的变换,并且基于所确定的变换和到成像的目标的距离来实现指数稳定控制定律。 该方法还包括从指数稳定控制定律产生旋转输出,从指数稳定控制定律产生变焦输出,确定重定向光轴并沿着光轴修改透镜系统的系统等待时间,以及确定 成像装置的起点相对于全局坐标。 目标图像的质心保持在距离成像装置原点的选定距离内。 还保持成像的目标和成像装置之间的视距。
    • 30. 发明申请
    • STATIC CAMERA TRACKING SYSTEM
    • 静态摄像机跟踪系统
    • US20070286456A1
    • 2007-12-13
    • US11423659
    • 2006-06-12
    • Kartik B. AriyurSaad J. BedrosDennis W. StrelowVassilios Morellas
    • Kartik B. AriyurSaad J. BedrosDennis W. StrelowVassilios Morellas
    • G06K9/00
    • G06K9/32H04N5/23203H04N5/23238
    • A system for autonomous object tracking with static camera arrangements. Each camera arrangement may minimally have a pan-tilt-zoom camera and a range or depth sensor. Imaging may provide coordinates and depth information of a tracked object. Measurements of an image centroid position and width may be obtained with processing. Maintaining an image at the center of a camera screen may be attained at a pixel width of the image. Estimation and prediction of object size and position may be processed for providing pan, tilt and zoom rates for the camera. Pan, tilt and zoom latency may be accounted for in the system. There may be a number of camera arrangements where tracking of the object may be handed off by one camera arrangement to another.
    • 一种用于静态摄像机布置的自动对象跟踪系统。 每个相机装置可以最小化地具有俯仰 - 变焦相机和范围或深度传感器。 成像可以提供跟踪对象的坐标和深度信息。 可以通过处理获得图像质心位置和宽度的测量。 可以在图像的像素宽度处获得在相机屏幕的中心处的图像。 可以处理物体尺寸和位置的估计和预测,以便为相机提供平移,倾斜和缩放率。 平移,倾斜和缩放延迟可能在系统中被考虑。 可能存在若干摄像机布置,其中对象的跟踪可以被一个摄像机装置切换到另一个。