数字图像处理技术在PCB板检测中的应用

Application of Digital Image Process in the Detection of Printed Circui t Board

本文介绍了数字图像处理技术在 PCB板检测系统中的具体应用 ,论述了数字图像的平滑化、差影、阈值等方面的内容 ,详细描述了采用随机 Hough变换检测定位圆方法。实验证明了此系统的可行性。

This paper introduces the application of digital image process in the detection of printed circuit board, discusses the smooth, differ ence image, threshold of digital image. It discussed the method which uses Rando m Hough transform to detect location circle in detail. The experiment shows the system is feasible.