基于点云的多源数据融合技术  

Multi-source data fusion technology based on point cloud

作　　者：李海鹏[1,2] 靳婷婷 张筠卓 张琛 LI Haipeng;JIN Tingting;ZHANG Junzhuo;ZHANG Chen(Beijing Institute of Surveying and Mapping,Beijing 100038,China;Beijing Key Laboratory of Urban Spatial Information Engineering,Beijing 100038,China)

机构地区：[1]北京市测绘设计研究院,北京100038 [2]城市空间信息工程北京市重点实验室,北京100038

出　　处：《北京测绘》2024年第1期56-61,共6页Beijing Surveying and Mapping

基　　金：国家自然科学基金杰出青年基金项目(41725005);北京市自然科学基金(4214069)。

摘　　要：三维激光扫描技术是一门逆向工程应用技术,凭借其高速、全面且高自动化的特点,显示出了强大的不可替代性。三维点云数据有着其多样化、精度高、数据完整的优点。多源数据融合技术使不同设备获取的点云数据、影像数据、空载数据能够相互弥补,提高不同场景环境下的作业效率,完善数据的结构和精度质量,使空、地、水下三维数据的一体化成为可能。通过对不同射程多台三维激光扫描仪的数据进行相对精度分析、调整和融合,并对不同融合方法获取的多源融合数据进行精度验证,探索一种多源数据融合的方法,形成多源数据融合的通用技术流程。为多种载体三维激光扫描技术的数据和影像数据的融合方法研究奠定基础。Three-dimensional(3D)laser scanning technology is a reverse engineering application technology.With the characteristics of high speed,comprehensiveness,and high automation,it shows strong irreplaceability.3D point cloud data has the advantages of diversity,high precision,and complete data.The multi-source data fusion technology enables the point cloud data,image data,and no-load data obtained by different equipment to complement each other,enhance the operation efficiency in different scene environments,improve the structure and accuracy of the data,and make the integration of 3D data of air,ground,and underwater possible.In this paper,the relative accuracy of the data of multiple 3D laser scanners with different ranges was analyzed,adjusted,and fused,and the accuracy of the multi-source fusion data obtained by different fusion methods was verified.As a result,a method of multi-source data fusion was explored to form a general technical process for multi-source data fusion.The results lay the foundation for the research on the fusion method of data and image data of 3D laser scanning technologies with various carriers.

关 键 词：三维激光扫描 多源数据融合 技术流程 

分 类 号：P258[天文地球—测绘科学与技术]