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    • 5. 发明授权
    • System and method to calibrate multiple sensors
    • 用于校准多个传感器的系统和方法
    • US07681453B2
    • 2010-03-23
    • US11092390
    • 2005-03-29
    • Wesley David TurnerChristopher Allen Nafis
    • Wesley David TurnerChristopher Allen Nafis
    • G01N29/04
    • G01N29/2418G01N21/1717G01N21/45G01N29/30G01N2021/8472G01N2291/0231
    • The present invention provides a multi-mode calibration target operable to calibrate multiple optical sensors. One embodiment has multiple planar surfaces, wherein the multiple planar surfaces are able to be distinguished by visual sensors based on their color, hue, shade, tint, or tone. Additionally, these planar surfaces may be raised or recessed from one another to provide depth contrast as well as visual contrast. Other embodiments may include narrow band emitters such as laser diodes located at predetermined locations within the multi-mode target. These targets may then be used to calibrate various sensors, such as optical sensors, within an inspection system such as a laser ultrasonic inspection system.
    • 本发明提供可操作以校准多个光学传感器的多模式校准目标。 一个实施例具有多个平面表面,其中根据其颜色,色相,阴影,色调或色调,可以通过视觉传感器区分多个平面表面。 另外,这些平面可以相互凸起或相互凹进,以提供深度对比度以及视觉对比度。 其他实施例可以包括窄带发射器,例如位于多模式目标内的预定位置处的激光二极管。 然后,这些目标可用于校准诸如激光超声波检查系统的检查系统内的各种传感器,例如光学传感器。