基于计算机视觉技术的BGA芯片精准焊接定位的研究  

Research on Positioning Accuracy of BGA Chip Based on Computer Vision Technology

作　　者：赵丽花[1] 谢永华[1] 

机构地区：[1]东北林业大学机电工程学院,黑龙江哈尔滨150040

出　　处：《现代科学仪器》2011年第6期67-70,共4页Modern Scientific Instruments

基　　金：中央高校基本科研业务费专项资金资助(41401021)

摘　　要：针对BGA芯片的特点,本文介绍一种基于计算机视觉技术的单摄像头双目成像焊接定位系统,本文介绍了单CCD视觉系统的构成及原理,并采用经典算子和利用灰色系统理论对BGA芯片图像进行处理。实验结果证明灰色系统理论是一种有效的、具有可调功能的边缘检测新算法,能够较为准确地检测出有用的边缘信息,具有一定的抗噪声能力,进而有效的提高BGA芯片定位精度。Aiming at the BGA chip＇s features,the paper describes the welding positioning system for binocular single-camera imaging based on computer vision technique.It describes the composition and principle of a single CCD vision system,and uses the classical operators and gray system theory to process BGA chip with image.Experimental results showed that the gray system theory is an effective,functional with adjustable edge detection algorithm,and can more accurately detect the edge of useful information.It have a certain degree of noise immunity,and can effectively improve the positioning accuracy of BGA chip.

关 键 词：BGA芯片 双目成像 图像处理 

分 类 号：TP391.41[自动化与计算机技术—计算机应用技术] TN405[自动化与计算机技术—计算机科学与技术]