复杂带状地形条件下的地面三维激光扫描点云数据采集与配准处理试验

doi:10.13474/j.cnki.11-2246.2018.0140

测绘通报 ›› 2018, Vol. 0 ›› Issue (5): 35-40.doi: 10.13474/j.cnki.11-2246.2018.0140

复杂带状地形条件下的地面三维激光扫描点云数据采集与配准处理试验

杨敏¹, 甘淑^1,2, 袁希平^1,2, 高莎¹, 朱赞¹, 于辉¹

1. 昆明理工大学国土资源工程学院, 云南昆明 650093;
2. 云南省高校高原山地空间信息测绘技术应用工程研究中心, 云南昆明 650093

收稿日期:2017-09-05 出版日期:2018-05-25 发布日期:2018-05-31
通讯作者: 甘淑。E-mail:n1480@qq.com E-mail:n1480@qq.com
作者简介:杨敏(1989-),女,博士生,主要从事地面三维激光扫描理论与技术应用研究。E-mail:979502430@qq.com
基金资助:
国家自然科学基金（41561083）；云南省自然科学基金（2015FA016）

Study on Data Acquisition and Registration Experiment of Terretrial Laser Scanning Point Clouds under Complicated Banded Terrain Condition

YANG Min¹, GAN Shu^1,2, YUAN Xiping^1,2, GAO Sha¹, ZHU Zan¹, YU Hui¹

1. Faculty of Land Resource Engineering, Kunming University of Science and Technology, Kunming 650093, China;
2. Plateau Mountain Spatial Information Survey Technique Application Engineering Research Center at Yunnan Province's Universities, Kunming 650093, China

Received:2017-09-05 Online:2018-05-25 Published:2018-05-31

摘要/Abstract

摘要：

对于多站点架设获取的地面三维扫描点云数据进行空间坐标体系的统一配准处理，是实现地表三维模型构建数据预处理的关键技术。研究围绕地面三维扫描点云数据的配准精度问题，结合试验仪器在数据采集扫描设置中的不同模式，分别设计实施了基于一定扫描重叠度的独立站点采集匹配模式，基于站点GPS坐标控制的采集匹配模式，以及基于全站仪实测站点坐标的后视法采集匹配模式等3种试验方案，开展了针对不同扫描方案下所获取点云数据的配准处理方法解析与精度对比分析。不同方案应用于具有条带状试验测区的点云数据采集与数据配准处理结果表明，相对于独立站点数据采集匹配模式，后两种数据采集模式，即采用基于仪器GPS站点坐标的扫描匹配方案和基于全站仪站点坐标的后视法方案，由于克服了与全局坐标系转换困难和对标靶的依赖等问题，而具有较高的数据采集与匹配效率，表现出明显的优势。研究试验成果可为同类型仪器的地面三维激光扫描系统的外业数据采集和点云配准提供参考指导作用。

关键词: 地面三维激光扫描, 点云, 数据采集模式, 点云配准, 配准精度

Abstract:

The spatial coordinate system registration processing for terrestrial scanning point cloud data obtained from the multi-site erections is the data preprocessing key technology to achieve the surface 3D model. In this paper, the registration accuracy of the 3D scanning point cloud data was studied. Based on the different modes of the data acquisition in scanning settings, the independent site acquisition and matching mode based on certain scanning overlap, the acquisition and matching mode based on the site GPS coordinates control and the backsight acquisition and matching mode based on the total station measured coordinates of the site were disigned. Three kinds of test programs, carried out for different scanning programs under the point cloud data obtained by the registration processing method analysis and precision comparison analysis. Then analysis and precision analysis of the registration methods for point cloud data obtained under different scanning schemes were carried out. The results of different schemes applied to point cloud data acquisition and registration with ribbon test area showed that, compared with the independent site acquisition and matching mode, the latter two acquisition modes, namely, the acquisition and matching mode based on the site GPS coordinates control and the backsight acquisition and matching mode based on the total station measured coordinates of the site, which showed a clear advantage due to overcome the difficulties with the global coordinate system conversion and the target dependence and so on, so they had higher data acquisition and matching efficiency.The research results can provide reference for the out field data acquisition about same type of equipments on the ground 3D laser scanning system and point cloud registration.

Key words: terrestrial laser scanning, point clouds, data acquisition mode, point cloud registration, registration accuracy

中图分类号:

P232

杨敏, 甘淑, 袁希平, 高莎, 朱赞, 于辉. 复杂带状地形条件下的地面三维激光扫描点云数据采集与配准处理试验[J]. 测绘通报, 2018, 0(5): 35-40.

YANG Min, GAN Shu, YUAN Xiping, GAO Sha, ZHU Zan, YU Hui. Study on Data Acquisition and Registration Experiment of Terretrial Laser Scanning Point Clouds under Complicated Banded Terrain Condition[J]. 测绘通报, 2018, 0(5): 35-40.

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复杂带状地形条件下的地面三维激光扫描点云数据采集与配准处理试验

Study on Data Acquisition and Registration Experiment of Terretrial Laser Scanning Point Clouds under Complicated Banded Terrain Condition

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