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    • 4. 发明授权
    • System for and method of analyzing surface condition of PCB using RGB colors
    • 使用RGB颜色分析PCB表面状况的系统和方法
    • US07298887B2
    • 2007-11-20
    • US10670096
    • 2003-09-24
    • Hyo-Soo LeeYoung-Hwan ShinChong-Ho Kim
    • Hyo-Soo LeeYoung-Hwan ShinChong-Ho Kim
    • G06K9/00
    • G01N21/27G01N21/3554G01N2021/95638G06T7/0004G06T7/90G06T2207/30141H05K3/22H05K2203/0315H05K2203/162
    • A system for and a method of analyzing the surface condition of a PCB using RGB colors are disclosed. The analyzing method includes the steps of feeding a target PCB, to be measured, to an image pick-up position where a pick-up unit is disposed, by a feeding unit, picking up an image of a metal surface of the fed target PCB, extracting pixel data from the picked-up image for the target PCB, performing a mapping operation for RGB signals of the extracted pixel data in accordance with a mapping program, thereby determining relative RGB values, producing cumulative distribution data of the relative RGB values for the target PCB in accordance with an RGB-mapping process, and quantitatively determining the oxidation degree of the target PCB metal surface exhibited with the lapse of time, based on the cumulative distribution data. Since relative values of RGB colors in an image picked up from the metal surface of a PCB can be analyzed, it is possible to rapidly and easily analyze the surface condition of the PCB such as oxidation, contamination, or structural defects of the PCB in a quantitative manner without using an expensive surface analyzer.
    • 公开了一种使用RGB颜色分析PCB的表面状态的系统和方法。 分析方法包括以下步骤:通过馈送单元将待测量的目标PCB馈送到拾取单元的拾取单元,拾取馈送的目标PCB的金属表面的图像 从目标PCB的拾取图像中提取像素数据,根据映射程序对所提取的像素数据的RGB信号执行映射操作,从而确定相对RGB值,产生相对RGB值的累积分布数据,以生成 根据RGB映射处理的目标PCB,并且基于累积分布数据定量确定随着时间的流逝呈现的目标PCB金属表面的氧化度。 由于可以分析从PCB的金属表面拾取的图像中的RGB颜色的相对值,因此可以快速且容易地分析PCB的表面状况,例如PCB的氧化,污染或结构缺陷 定量方式,而不使用昂贵的表面分析仪。