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《Journal of Electronic Measurement and Instrument》 2010-11
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Design of machine vision system for inspection of rail surface defects

Liu Ze Wang Wei Wang Ping(State Key Laboratory of Rail Traffic Control and Safety,Beijing Jiaotong University,Beijing 100044,China)  
Designed dynamic threshold algorithm and flaw region extraction algorithm for processing two typical rail surface defects,rail head spalling and cracks.Flaw region can be extracted,while its position and feature were saved and calculated.Built the simulated rail detecting platform,captured images with help of high-speed line-scan camera and illuminants,then transported them to host computer via Gigabit Ethernet.The image-processing software was coding by halcon and visual Csharp.In simulated experiment,the cracks whose width is 1mm can be founded ac-curately and their position will be recorded too,at the speed of 100km/h.
【Fund】: 国家“863”计划(编号:2007AA11Z118)资助项目;; 国家自然基金(编号:60776831)资助项目
【CateGory Index】: TP391.41
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