赵强,王涛

• 1:宿州学院环境与测绘工程学院
• 2:河海大学地球科学与工程学院

摘要(Abstract)：

针对三维激光扫描技术应用于隧道变形监测时无法准确确定隧道形变的问题,该文提出了一种基于参考基准的隧道点云降维格网化形变分析法,通过建立参考基准,计算点云到参考基准的距离,点云降维,生成降维点云到参考基准距离的分布格网图,并进行多期数据差值计算,获得隧道整体变形量值分布图。实验表明,该方法能够确定隧道变形区域和变形量值大小,能够进行多期监测数据的准确对比,提高了三维激光扫描技术的应用精度,是一种实用和有效的衡量隧道变形新方法。

关键词(KeyWords)： 点云;三维激光扫描技术;隧道;格网化;参考基准;整体变形分析

Abstract:

Keywords:

基金项目(Foundation): 安徽省教育厅教研项目（2018jyxm0217）;; 安徽省高校优秀拔尖人才培育项目（gxgnfx2018051）;; 教育部产学合作协同育人项目（201802201036）

作者(Author): 赵强,王涛

DOI: 10.16251/j.cnki.1009-2307.2021.02.015

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