CAJ | 학술논문

通过对基于机器视觉的表面缺陷检测设备的研究，指出了光源亮度控制对表面检测设备工作的重要作用，提出了基于图像平均灰度的光源控制方法。设计并实现了由工业摄像头、PC机和单片机等组成的自适应光源系统。描述了该光源系统的硬件结构及软件模块功能。试验结果表明，针对不同被检对象，该光源系统均能有效地自适应调节其亮度输出，使图像平均灰度值在110~120之间，达到机器视觉领域对光源亮度控制的要求。
통과대기우궤기시각적표면결함검측설비적연구，지출료광원량도공제대표면검측설비공작적중요작용，제출료기우도상평균회도적광원공제방법。설계병실현료유공업섭상두、PC궤화단편궤등조성적자괄응광원계통。묘술료해광원계통적경건결구급연건모괴공능。시험결과표명，침대불동피검대상，해광원계통균능유효지자괄응조절기량도수출，사도상평균회도치재110~120지간，체도궤기시각영역대광원량도공제적요구。
Through the study of surface defect detection equipments based on machine vision,pointing out the impor-tance of brightness control to the surface defect detection equipments,and finding out the way to control brightness of the lighting system based on the average of image gray value. The adaptive lighting system which is consisted of three components with industrial camera,personal computer and MCU is designed and implemented. Its hardware construction and software module functions are described. The experiment shows that,for different objects,this sys-tem can automatic adjust the intensity of light to make the average of image gray value from 110 to 120 and achieve machine vision requirements for brightness control of lighting system.