基子主动机器视觉的工件精密测量系统设计  

The design of workpiece precision measuring system based on active machine vision

作　　者：廖强[1,2] 金大标[1] 甘平[3] 

机构地区：[1]重庆大学机械工程学院,重庆400044 [2]机械传动国家重点实验室,重庆400044 [3]重庆医科大学实验教学管理中心医学物理学实验室,重庆400016

出　　处：《激光杂志》2011年第6期38-40,共3页Laser Journal

基　　金：重庆市自然科学基金(CSTC2006BB3176);重庆市科委攻关项目(CSTC2008AC3026);重庆大学"211工程"三期创新人才培养计划建设项目(S-09106)

摘　　要：针对现有工件测量系统有损、精度差、成本高、速度慢、操作复杂等缺点,提出了一种新的基于主动机器视觉的工件精密测量系统,研究了系统的关键设计技术。利用MATLAB与vc++混合编程的方法,开发了系统的软件。采用改进的canny算法检测边缘,提出了一种新的边缘跟踪算法。通过与现有常规检测方法进行对比实验证明,系统软件可靠性高、准确性好,复用性强、便于修改和扩展;设计的新的边缘跟踪方法,能够速度更快、更简便的实现工件轮廓的精确提取;系统对工件的非接触式测量精度达到微米级。As for the shortcomings of the existing Workpiece measurement system such as the existing damage,poor accuracy,high cost,slow speed and complicated operation and so on,we propose a new Workpiece precision measurement system based on the initiative machine vision,and study the key design technology of the system.First,develop the system software with the mixed programming method of MATLAB and vc＋＋,thereby the system development cycle is reduced.Then,use the improved canny algorithm for edge detection.Finally,propose a new edge tracking algorithm innovatively by experiments.It is proved by comparing with the existing conventional detection methods,the system software has the features of high reliability,high accuracy,good reusability,easy to modify and expand;what＇s more,the system solves the strong interference shortcoming of the traditional edge detection algorithms;the design of new edge tracking method can be faster and easier to achieve accurate contour extraction;and the precision of the system to non-contact measurement of the workpiece achieves micron level.

关 键 词：主动机器视觉 边缘检测 边缘跟踪 精密测量 

分 类 号：TP391.4[自动化与计算机技术—计算机应用技术]