基于数字图像处理的印刷电路板

北京理工大学珠海学院2020届本科生毕业设计Printed Circuit Board Intelligence Based on Digital Image ProcessingEnergy Detection MethodAbstractAs a key link in the production process of modern electronic products,PCB inspectioncannot form an efficient processing mode at the beginning.Traditional manual inspection hasthe disadvantages of slow speed,low efficiency and high labor cost,which makes PCB unableto adapt to mass production.Intelligent detection of printed circuit plate plays an importantrole in the development of modern electronic devices and the miniaturization andvisualization of circuits.In this environment,how to achieve high efficiency,accuracy andspeed through low cost is of great significance to the detection of chip circuit board.Opticaldetection technology has the advantages of high speed,high precision and low cost,and isgradually replacing the traditional manual detection technology.This design has completed the image acquisition,smooth filtering,noise reduction,image enhancement and edge extraction of the video collected by the camera,so as to realizethe clear processing of the butt pad,to solve the problem of low precision and slow speed ofthe traditional printed circuit board.This design is based on digital image processing,theapplication of MATLAB software,the completion of the printed circuit board solder pad forintelligent detection and edge clear design,to improve the production efficiency of printedcircuit board and reduce the production cost.Keywords:Digital image processing;MATLAB;Printed circuit boards;Edge detection;Image enhancement