基于机器视觉的LED TV智能屏检系统的设计与实现  

Implementation and Design of Intelligent Screen Inspection System For LED TV Based on Machine Vision

作　　者：曾志[1] 雷登似 周永福[3] ZENG Zhi;LEI Deng-si;ZHOU Yong-fu(School of Information Science Technology,Huizhou University,Huizhou 516007,China;TCL King Electrical Appliances（Huizhou）Co.,Ltd.,Huizhou 516001,China;Institute of Electronic and Information Engineering,Heyuan 517000,China)

机构地区：[1]惠州学院信息科学技术学院,广东惠州516007 [2]TCL王牌电器(惠州)有限公司,广东惠州516001 [3]河源职业技术学院,电信学院,广东河源517000

出　　处：《测控技术》2018年第11期55-58,63,共5页Measurement & Control Technology

基　　金：惠州市科技计划项目(2016X0423038)

摘　　要：为更好地助力企业转型升级,在自动化生产中引入机器视觉提升工业机器人加工质量与效率,探讨了一种以光学识别为基础的机器视觉方法用于LED TV的屏检技术,实现亮/暗点、横/竖线、BLOB(几何形态)等缺陷的检测;完成了智能屏检系统总体设计,搭建了机器视觉检测的硬件系统,并研制了智能屏检软件系统。对实现智能屏检涉及的光源选择、相机参数确定、屏检算法等关键技术进行了详尽地阐述,且针对不同检测目标和不同尺寸的屏幕进行了实测与分析。实践表明,本装备具有一定的实用性,其在实现生产线上工业机器人的柔性和智能化水平具有重要的应用价值与现实意义,并为机器人应用范围的拓展提供示范。For the purpose of better promoting the enterprise transformation with industry 4.0, the machine vi- sion was introduced in automatic production to improve the production quality and efficiency of industrial ro- bots. A method of machine vision based on optical recognition for screen inspection technology used in LED TV was discussed to realize the flaw detection such as bright spot, the horizontal and vertical line, BLOB （ geomet- ric shape） detection. The design of intelligent screen inspection system was finished, a hardware system for vi- sion inspection was built, and the software system on intelligent screen inspection was developed. The key tech- nologies of intelligent screen inspection were described in detail, including the selection of light source, the de- termination of camera parameters, the screen inspection algorithm and the intelligent screen test scheme, etc., and the measurement and analysis of different inspection targets and different sizes of screen were carried out. The practice shows that the equipment has certain practicability, and it has important application value and practical significance in realizing the flexibility and intelligence level of industrial robot in production line, and can provide the demonstration for extending robot application scope.

关 键 词：工业机器人 机器视觉 LED TV(液晶电视) 智能屏检 缺陷检测 

分 类 号：TP242.62[自动化与计算机技术—检测技术与自动化装置]