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    • 9. 发明授权
    • Wheel toe and camber measurement system
    • 轮趾和弯度测量系统
    • US09019488B2
    • 2015-04-28
    • US13925022
    • 2013-06-24
    • Recognition Robotics, Inc.
    • Simon Melikian
    • G01B11/275
    • G01B11/2755G01B2210/14
    • A method for measuring wheel alignment of a test wheel rotating about a z-axis using at least one camera and a processor includes obtaining a calibration point from a calibration image of a zero-offset wheel that is the same size as the test wheel and that rotates about the z-axis, obtaining at least one test image of the test wheel with the camera and a non-structured light source, and locating a measurement point in the test image. The measurement point coincides with a radius that the calibration point is offset from the z-axis and the angular displacement of the calibration point from the vertical diameter of the zero-offset wheel. The measurement point is further located based on a change of reflectivity between other points in the test image adjacent the measurement point.
    • 用于使用至少一个照相机和处理器来测量围绕z轴旋转的测试轮的轮对准的方法包括从与测试轮相同尺寸的零偏移轮的校准图像获得校准点, 围绕z轴旋转,使用相机和非结构化光源获得测试轮的至少一个测试图像,并将测量点定位在测试图像中。 测量点与校准点偏离z轴和校准点与零点偏移轮的垂直直径的角位移的半径重合。 基于与测量点相邻的测试图像中的其它点之间的反射率的变化,进一步定位测量点。