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热词
    • 3. 发明授权
    • Monitoring system and monitoring method
    • 监控系统及监控方式
    • US07212650B2
    • 2007-05-01
    • US10320633
    • 2002-12-17
    • Noriaki Sumi
    • Noriaki Sumi
    • G06K9/00H04N7/18
    • G08B13/19686G06T7/254
    • A camera picks-up at least two images of a region where an object is present. A monitoring unit monitors the object and displays the images of the object on a display for a user. The monitoring unit obtains a difference image of the two images, and removes an image of a moving object that may be considered as a background image from the difference image to thereby obtain an image of the object. The monitoring unit determines the image of the moving object as the background image based on an area of the image of the moving object. The monitoring unit determines a state of the object based on barycentric positions of the images of the moving objects in the difference image.
    • 相机拾取存在对象的区域的至少两个图像。 监视单元监视对象并在用户的显示器上显示对象的图像。 监视单元获得两个图像的差分图像,并且从差分图像中去除可以被认为是背景图像的运动对象的图像,从而获得对象的图像。 监视单元基于移动对象的图像的区域来确定移动对象的图像作为背景图像。 监视单元基于差分图像中的运动对象的图像的重心位置来确定对象的状态。