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19 October 2016 Design of noise barrier inspection system for high-speed railway
Bingqian Liu, Shuangyun Shao, Qibo Feng, Le Ma, Kim Cholryong
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Proceedings Volume 10155, Optical Measurement Technology and Instrumentation; 1015537 (2016) https://doi.org/10.1117/12.2247349
Event: International Symposium on Optoelectronic Technology and Application 2016, 2016, Beijing, China
Abstract
The damage of noise barriers will highly reduce the transportation safety of the high-speed railway. In this paper, an online inspection system of noise barrier based on laser vision for the safety of high-speed railway is proposed. The inspection system, mainly consisted of a fast camera and a line laser, installed in the first carriage of the high-speed CIT(Composited Inspection Train).A Laser line was projected on the surface of the noise barriers and the images of the light line were received by the camera while the train is running at high speed. The distance between the inspection system and the noise barrier can be obtained based on laser triangulation principle. The results of field tests show that the proposed system can meet the need of high speed and high accuracy to get the contour distortion of the noise barriers.
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Bingqian Liu, Shuangyun Shao, Qibo Feng, Le Ma, and Kim Cholryong "Design of noise barrier inspection system for high-speed railway", Proc. SPIE 10155, Optical Measurement Technology and Instrumentation, 1015537 (19 October 2016); https://doi.org/10.1117/12.2247349
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