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Content Provider | IEEE Xplore Digital Library |
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Author | Shubin Zheng Xiaodong Chai Xiaoxue An Liming Li |
Copyright Year | 2012 |
Description | Author affiliation: College of Urban Railway Transportation, Shanghai University of Engineering Science, Shanghai 201620, China (Shubin Zheng; Xiaodong Chai; Xiaoxue An; Liming Li) |
Abstract | Railway track gauge irregularity severely reduces the service life of rail and vehicle, and even result in vehicle falling off rail or wheel trapping, which causes driving accidents. In this paper, a dynamic inspection method of track gauge based on computer vision is presented. According to the method, the inspection system could be constructed by using four CCD (Charge-coupled Device) cameras and two red laser sector lights. The inspection principle and corresponding calibration method of inspection system are analyzed. In order to get the gauge points, several image processing technologies, including image component extraction, differential, adaptive iteration threshold, dilation and thinning are adopted. At last, the experiment results prove that this inspection method is capable of fast obtaining track gauge value with high accuracy and repeatability, and meeting the requirement of dynamic inspection for track gauge. |
Starting Page | 1292 |
Ending Page | 1296 |
File Size | 155305 |
Page Count | 5 |
File Format | |
ISBN | 9781467312752 |
e-ISBN | 9781467312783 |
DOI | 10.1109/ICMA.2012.6284322 |
Language | English |
Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Publisher Date | 2012-08-05 |
Publisher Place | China |
Access Restriction | Subscribed |
Rights Holder | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
Subject Keyword | Inspection Cameras Rails Calibration Rail transportation Image processing Charge coupled devices image processing track gauge inspection calibration |
Content Type | Text |
Resource Type | Article |
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