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    • 2. 发明公开
    • 화상처리를 이용한 검사대상물의 표면검사방법 및 그 장치
    • 表面检测方法和使用图像处理的对象的设备
    • KR1020030026839A
    • 2003-04-03
    • KR1020020050707
    • 2002-08-27
    • 가부시키가이샤 스크린 홀딩스
    • 시오미쥰이치이마무라아츠시사노히로시우에무라하루오가나이타카오후지모토히로키고쿠보마사히코호리에마사히로
    • G01N21/88
    • G01N21/956G01R31/309
    • PURPOSE: A surface inspection method and device of an object using image processing is provided to execute a surface inspection of the object without a skilled inspector and easily determine a proper wavelength band in obtaining an image. CONSTITUTION: An inspection method for inspecting a surface condition of an object for inspection comprises an illumination optical system(400) including a first light source for irradiating a surface of the object from an oblique direction with first light, and a second light source for irradiating the surface of the object from a substantially perpendicular direction with second light whose principal spectrum range is in longer wavelengths than the first light; an imaging device(200) for capturing a first image including image components relating to at least two color components included in the first light and for capturing a second image relating to the second light; and a region-identifying section for identifying a specific color region having a specific color on the surface of the object on the basis of the first image and the second image.
    • 目的:提供使用图像处理的物体的表面检查方法和装置,以在没有熟练的检查者的情况下执行对象的表面检查,并且在获得图像时容易地确定适当的波长带。 构成:检查被检查体的表面状态的检查方法包括照明光学系统(400),其包括用于从倾斜方向用第一光照射被检体的表面的第一光源和用于照射的第二光源 主体光谱范围在比第一光的波长更长的第二光从基本垂直的方向观察物体的表面; 用于捕获第一图像的成像装置,所述第一图像包括与包括在所述第一光中的至少两个颜色分量相关的图像分量,并用于捕获与所述第二光有关的第二图像; 以及区域识别部分,用于基于第一图像和第二图像来识别对象表面上的具有特定颜色的特定颜色区域。