Vision-based Method of Detecting Geometric Parameters of Railway Catenary

Liu Xiaoxi, Peng Dengquan, Nie Jingxin, Jing Jiang, Zhang Yizhou, Zhang Jinhong
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Abstract

Aiming at the need for dynamic and high-precision detection of railway catenary geometric parameters, a method of detecting geometrical parameters of catenary based on the principle of structured light vision is proposed in this paper. The structured light vision measurement system is adopted to obtain the geometric feature images of catenary, and the template matching method is used to obtain the detection points in the image, and then get the geometric parameters of the catenary. Line tests have been conducted on Xi’an Metro Line 1 and the Daxi High-speed Railway (Xi’an North Section) line extension. The results show that the vision-based detection method for geometric parameters of the catenary has high accuracy and stability, and has broad application prospects.
基于视觉的铁路接触网几何参数检测方法
针对铁路接触网几何参数动态高精度检测的需要,提出了一种基于结构光视觉原理的接触网几何参数检测方法。采用结构光视觉测量系统获取接触网的几何特征图像,利用模板匹配方法获取图像中的检测点,进而得到接触网的几何参数。西安地铁1号线和大西高铁(西安北段)延长线进行了线路测试。结果表明,基于视觉的接触网几何参数检测方法具有较高的精度和稳定性,具有广阔的应用前景。
本文章由计算机程序翻译,如有差异,请以英文原文为准。
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