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三维激光扫描球形靶标在不同距离不同扫描密度下的精度分析

李立伟,李 恒,板岩洼门,高永刚   

  1. 云南省测绘工程院,云南昆明650033
  • 收稿日期:2019-10-09 出版日期:2019-10-31 发布日期:2019-10-31
  • 作者简介:李立伟(1990-),男(哈尼族),云南玉溪人,工程师,工学学士,主要从事工程测量、地理信息系统等测绘工作。

Accuracy Analysis of 3D Laser Scanning Spherical Targets at Different Distances and Different Scan Densities

LI Liwei,LI Heng,BAN Yanwamen,GAO Yonggang   

  1. Yunnan Engineering Institute of Surveying and Mapping,Kunming 650033,China
  • Received:2019-10-09 Online:2019-10-31 Published:2019-10-31

摘要: 结合三维激光扫描仪野外测量和室内检定的要求,提出了球形靶标在不同扫描距离、不同扫描密度下进行球形靶标球心坐标的拟合,并以两球之间的距离来判断扫描精度,对不同测量方案的特点和精度进行了分析。

关键词: 点云数据, 球形靶标, 球心测量, 曲面拟合

Abstract: According to the requirements of field measurement and indoor verification of three-dimensional laser scanner,the spherical target spherical center coordinates are fitted at different scanning distances and different scanning densities,and the scanning accuracy is judged by the distance between two spheres.The characteristics and accuracy of different measurement schemes are analyzed.

Key words: point cloud data, spherical target, center measurement, surface fitting

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