李圆,陈霄,秦飞,包建强,张献州,黄雨微

• 1:西南交通大学地球科学与环境工程学院
• 2:中铁二十二局集团有限公司
• 3:中国中铁二院工程集团有限责任公司
• 4:自然资源部大地测量数据处理中心

摘要(Abstract)：

针对现有的CRTSⅢ型轨道板检测方法效率低下、设备组装复杂、部分还需人工操作等不足,基于三维点云数据实现了轨道板外形尺寸的高精度快速检测。利用轨道板标准三维模型建立相关检测特征,在完成轨道板三维点云数据相关预处理后,将点云数据精确配准至标准三维模型,利用模型上已建立的特征拟合计算轨道板表面点云数据的检测特征,获得轨道板各检测指标的测量值;计算测量值与标准三维模型设计尺寸之间的偏差,从而实现轨道板外形尺寸的快速检测。实验表明,与常规的检测手段相比,该方法具有检测精度高、速度快、检测结果稳定可靠、检测项目齐全等优点,具有良好的应用前景。

关键词(KeyWords)： CRTSⅢ型轨道板;三维模型;三维点云数据;特征建立;精确配准;快速检测

Abstract:

Keywords:

基金项目(Foundation): 企事业单位委托科技项目（LR01HX1135Y17047）

作者(Author): 李圆,陈霄,秦飞,包建强,张献州,黄雨微

DOI: 10.16251/j.cnki.1009-2307.2021.01.019

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