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《Journal of Electronic Measurement and Instrument》 2011-05
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Research on defect detection in rubber rings

Liu Chun Jiang Weirong Lv Shuqin(School of Electrical and Automatic Engineering,Hefei University of Technology,Hefei 230009,China)  
Currently,the defect detection of rubber rings is mainly by artificial vision,which can not satisfy the requirements of modern manufacturing.A detection method of defects on rubber ring is presented in this paper,which is based on machine vision.Firstly,the images are gained by image acquisition device,and then improved median filter is used to remove the noise in images,and the filtered images are detected by canny edge-detection.Finally,the mathe-matical morphology dilation is used to highlight the defect,makes the defect more clearly.Compared to traditional methods,the method has several prominent advantages such as non-contact,online,objective,automatic and so on,which is suitable for product testing of modern manufacturing.
【Fund】: 安徽省科技攻关计划项目(编号:08010202134)资助项目
【CateGory Index】: TP391.41
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