多种空间直线拟合方法应用分析Applied analysis of various space linear fitting methods
包建强,张献州,李圆,肖源淼,陈霄,罗超
摘要(Abstract):
针对各三维空间直线拟合方法的应用场景和环境研究较少的问题,该文研究了多种空间直线拟合方法的优劣性。实现了RANSAC空间直线拟合法、TLS空间直线拟合法和LS空间直线拟合法。利用模拟仿真数据,以空间点到直线的距离和与直线度作为评价指标,对比分析了3种方法的拟合结果,获得了各空间直线拟合方法的应用场景。利用某高速铁路隧道内接触网点云数据,验证了本文结论的正确性和可靠性,对高速铁路工程点云数据处理具有一定的参考意义。
关键词(KeyWords): 空间直线;随机采样一致性;整体最小二乘;直线度;点云数据
基金项目(Foundation): 成都市科技项目(VQ21SS1135Y17004);; CRTSⅢ型轨道板三维激光扫描自动化检测系统集成研发技术服务项目(LR01HX1135Y17047)
作者(Author): 包建强,张献州,李圆,肖源淼,陈霄,罗超
DOI: 10.16251/j.cnki.1009-2307.2020.05.020
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