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    • 48. 发明授权
    • Methods for defining, detecting, analyzing, indexing and retrieving events using video image processing
    • 使用视频图像处理定义,检测,分析,索引和检索事件的方法
    • US07801328B2
    • 2010-09-21
    • US10907413
    • 2005-03-31
    • KwongWing AuKeith L. CurtnerSaad J. Bedros
    • KwongWing AuKeith L. CurtnerSaad J. Bedros
    • G06K9/00G09G5/00H04N7/18H04N5/225
    • G06K9/00771G08B13/19606G08B13/19669G08B13/19673G08B13/1968G08B13/19682G08B25/14
    • Methods and systems for defining, detecting, analyzing, indexing, and retrieving events using video image processing techniques are described herein. An illustrative method of detecting and analyzing events occurring within a region of interest of a video monitoring system may include the steps of extracting information regarding one or more objects located within a region of interest, analyzing the extracted information to detect the occurrence of one or more events within the region of interest, matching at least one of the detected events with a corresponding user-specified event, and performing an action response upon the detection of such an event. In certain embodiments, the detected events may be defined as a set of semantic parameters relating to the object's state and/or physical features, which can be compared against a corresponding set of semantic parameters programmed within a video image-processing appliance manager.
    • 本文描述了使用视频图像处理技术定义,检测,分析,索引和检索事件的方法和系统。 检测和分析在视频监视系统的感兴趣区域内发生的事件的说明性方法可以包括以下步骤:提取关于位于感兴趣区域内的一个或多个对象的信息,分析所提取的信息以检测一个或多个 感兴趣区域内的事件,将检测到的事件中的至少一个与对应的用户指定的事件相匹配,以及在检测到这种事件时执行动作响应。 在某些实施例中,检测到的事件可以被定义为与物体的状态和/或物理特征相关的一组语义参数,其可以与视频图像处理设备管理器中编程的对应的一组语义参数进行比较。
    • 49. 发明申请
    • TRACKING A MOVING OBJECT FROM A CAMERA ON A MOVING PLATFORM
    • 在移动平台上跟踪摄像机的移动对象
    • US20080277563A1
    • 2008-11-13
    • US12177550
    • 2008-07-22
    • Kartik B. AriyurSaad J. BedrosVassilios Morellas
    • Kartik B. AriyurSaad J. BedrosVassilios Morellas
    • G01C21/00
    • 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。
    • 50. 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
    • US07411167B2
    • 2008-08-12
    • US11470048
    • 2006-09-05
    • Kartik B AriyurSaad J. BedrosVassilios Morellas
    • Kartik B AriyurSaad J. BedrosVassilios Morellas
    • G01J1/20G01C21/02
    • G06K9/209G01S3/7864G06K9/32G06T7/246G06T2207/10016G06T2207/30181G06T2207/30212
    • A method to dynamically stabilize a target image formed on an image plane of an imaging device located in a moving vehicle. The method includes setting an origin in the image plane of the imaging device at an intersection of a first axis, a second axis and a third axis, imaging a target so that an image centroid of the target image is at the origin of the image plane, monitoring sensor data indicative of a motion of the vehicle, and generating pan and tilt output to stabilize the image centroid at the origin in the image plane to compensate for vehicle motion and target motion. The pan and tilt output are generated by implementing exponentially stabilizing control laws. The implementation of the exponentially stabilizing control laws is based at least in part on the sensor data.
    • 一种动态地稳定形成在位于移动车辆中的成像装置的图像平面上的目标图像的方法。 该方法包括在第一轴,第二轴和第三轴的交叉点处将成像装置的图像平面中的原点设置成对目标进行成像,使得目标图像的图像质心处于图像平面的原点 监测指示车辆运动的传感器数据,以及产生摇摄和倾斜输出以稳定图像平面中的原点处的图像质心,以补偿车辆运动和目标运动。 平移和倾斜输出是通过实现指数稳定控制律来产生的。 指数稳定控制定律的实现至少部分地基于传感器数据,包括指示到目标的距离的数据。