管道工程中基于LiDAR的高精度DEM获取

LiDAR技术的广泛应用对空间信息获取手段产生了重大影响,使得DEM的获取更加快速,精度更高,而成本更低。本文以西气东输四线管道工程LiDAR点云数据处理工作为基础,着重探讨了基于LiDAR的高精度DEM获取技术,给出了具体的工作流程,并对所获得DEM成果做了精度分析,对推动我国LiDAR技术的发展做了有益的实践。

Pipeline Engineering Based on LiDAR High Precision DEM Acquisition

The wide application of LiDAR technology in space information acquisition means to produce major effect,make DEM gets faster,higher precision,and lower cost.In this paper,the west east gas pipeline project four line LiDAR point cloud data processing work for the foundation,focused on the high precision based on LiDAR DEM access technology,gives the specific working process,and the results obtained by DEM precision are analyzed,to promote our country the development of LiDAR technology to do beneficial practice.