徕卡MS50全站扫描仪在地铁隧道断面中的应用  

Application of Leica MS50 Total Station Scanner in Subway Tunnel Section

作　　者：李豪 邹进贵[2,3] 安祥生 朱勇超[2] 聂海滨[2] 朱晓康[2] LI Hao;ZOU Jingui;AN Xiangsheng;ZHU Yongchao;NIE Haibin;ZHU Xiaokang(Department of Management,Taiyuan Normal University,Jinzhong 030619,China;School of Geodesy and Geomaties,Wuhan University,Wuhan 430079,China;Key Laboratory of Precise Engineering and Industry Surveying,National Administration of Surveying,Mapping and Geoinformation,Wuhan 430079,China)

机构地区：[1]太原师范学院管理系,山西晋中030619 [2]武汉大学测绘学院,湖北武汉430079 [3]精密工程与工业测量国家测绘地理信息局重点实验室,湖北武汉430079

出　　处：《测绘地理信息》2018年第5期68-71,75,共5页Journal of Geomatics

基　　金：国家自然科学基金资助项目(41074025)

摘　　要：研究了基于激光点云数据的隧道中轴线提取方法,首先根据中轴线生成任意一处的隧道断面平面,把断面附近离散点集投影至断面空间平面,然后利用旋转矩阵把点集旋转至垂直于坐标轴的平面,最后用椭圆拟合对平面上的点集进行拟合,对椭圆参数进行分析,并与测量机器人的高精度点测量数据进行比较。通过对广州某地铁数据进行实验,结果表明本文提出的点云分析提取方法具有很好的精度。This paper studies the tunnel axis extraction method based on laser point cloud data.First,any of the section plane according to the tunnel axis was generated.The discrete point set close to the section was projected onto the section plane space.Then the point set was rotated to the plane perpendicular to the axis by using the rotation matrix.Finally the ellipse fitting method was employed to fit plane point set and ellipse parameters were analyzed.Taking the data of a subway in Guangzhou as an example,results show that the method of our proposed is very accurate.

关 键 词：MS50全站扫描仪 地铁隧道 激光点云 中轴线提取 断面提取 

分 类 号：P258[天文地球—测绘科学与技术]