| 无纺布成品表面污渍机器视觉检测系统的设计 |
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| 引用本文： | 张谦,裴海龙,史步海,赵运基.无纺布成品表面污渍机器视觉检测系统的设计[J].华南理工大学学报(自然科学版),2012,40(3):81-87. |
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| 作者姓名： | 张谦 裴海龙 史步海 赵运基 |
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| 作者单位： | 华南理工大学自主系统与网络控制教育部重点实验室//自动化科学与工程学院,广东广州,510640 |
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| 基金项目： | 国家自然科学基金重点项目(60736024,60574004,61174053);教育部科技创新工程重大项目(708069) |
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| 摘 要： | 无纺布成品表面污渍机器视觉检测系统在保证可靠性、易用性的同时,还要有较低的成本、较高的检测速度和精度.根据此需求,文中设计了一种嵌入式机器视觉检测系统,该系统集成了人机界面,能避免因依赖计算机而造成的易用性问题.文中介绍了该系统的硬件结构,设计了基于动态阈值的污渍判断方法,以保证图像运算的实时性与检测的精度,降低误判率,提高检测的可靠性.实际应用表明,该系统在线速度为300m/min的无纺布成品生产中,能够检测出1mm2的污渍.
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| 关 键 词： | 机器视觉 图像处理 无纺布成品 污渍检测 CCD传感器 |
Design of Machine Vision System to Detect Surface Stains of Non-Woven Fabric Products |
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| Zhang Qian
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Pei Hai-long
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Shi Bu-hai
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Zhao Yun-ji.Design of Machine Vision System to Detect Surface Stains of Non-Woven Fabric Products[J].Journal of South China University of Technology(Natural Science Edition),2012,40(3):81-87. |
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| Authors: | Zhang Qian Pei Hai-long Shi Bu-hai Zhao Yun-ji |
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| Affiliation: | Zhang Qian Pei Hai-long Shi Bu-hai Zhao Yun-ji(Key Laboratory of Autonomous Systems and Networked Control of the Ministry of Education∥School of Automation Science and Engineering,South China University of Technology,Guangzhou 510640,Guangdong,China) |
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| Abstract: | In order to meet the requirements of high reliability,easy use,low cost,high accuracy and speed for the machine vision system to detect surface stains of non-woven fabric products,an embedded machine vision system,which integrates a human-computer interface to avoid the inconvenience induced by PC dependence,is designed.Then,the hardware structure of the system is introduced,and a dynamic threshold-based method is proposed to detect the stains in real time with high precision,low misjudgment rate and strong reliability.Practical application results indicate that the proposed system is of high performance,concretely,in a non-woven fabric production line with a linear velocity of 300m/min,it can successfully detect the stain with 1 mm2 in square. |
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| Keywords: | machine vision image processing non-woven fabric product stain detection CCD sensor |
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