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基于激光点云的铁路隧道特征提取及变形分析

Research on Feature Extraction and Deformation Analysis of Railway Tunnel Based on Laser Point Cloud
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摘要 本文以隧道扫描点云为主要研究对象,深入探讨三维激光扫描技术在隧道安全监测中的实际应用,采用理论与实验结合的方法,重点分析了平面拟合、点云配准等理论方法的适应性,针对隧道点云配准、特征提取及变形监测等方面做出重点分析,准确获取隧道内壁点、线、面的变形信息,为隧道特征信息及隧道变形信息准确提取提供技术方案和技术支持。 This article takes tunnel scanning point cloud as the main research object,deeply explores the practical application of 3D laser scanning technology in tunnel safety monitoring,adopts a combination of theory and experiment,and focuses on analyzing the adaptability of theoretical methods such as plane fitting and point cloud registration.It makes a key analysis on tunnel point cloud registration,feature extraction,and deformation monitoring,accurately obtains deformation information of tunnel inner wall points,lines,and surfaces,and provides technical solutions and support for accurate extraction of tunnel feature information and tunnel deformation information.
作者 蔡少辉 Cai Shaohui(Geologic Party No.216,CNNC,Urumqi,China)
出处 《科学技术创新》 2025年第5期5-8,共4页 Scientific and Technological Innovation
关键词 激光点云 点云配准 切片提取 变形监测 laser point cloud point cloud registration slice extraction deformation monitoring
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