机械制造与自动化Issue(2)：171-174,4.DOI:10.19344/j.cnki.issn1671-5276.2018.02.047
基于轮廓提取的电路板缺陷检测
PCB Defect Inspection Based on Contour Extraction
摘要
Abstract
The defect inspection system of multilayer printed circuit boards based on contour extraction is designed on the basis of industrial computer laminography. It meets the requirements of its high efficiency and high precision in industry field. The Hough transformation is used to detect the location of the circle center on the target picture, and then the target image is adjusted to the standard image with geometric registration.The defect types of PCB are discussed.The contour extraction with pattern recognition is applied to the positions and classes of the defects.It is difficult to get a full and accurate circuit image of every layer and the position of the defects using the DR method and AOI scanning methods.关键词
印刷电路板/缺陷检测/轮廓提取/图像配准Key words
multilayer printed circuit boards/defect inspection/image registration/contour extraction分类
通用工业技术引用本文复制引用
刘西锋,胡玉薇..基于轮廓提取的电路板缺陷检测[J].机械制造与自动化,2018,(2):171-174,4.基金项目
国家重大科学仪器设备开发专项(2014YQ240445) （2014YQ240445）
