基于无人机LiDAR和倾斜摄影数据的3D产品制作  

3D Product Production Based on UAV LiDAR Tilt Photography Data

作　　者：周智勇[1] 高林营 李维平[1] Zhou Zhiyong;Gao Linying;Li WeiPing(Chongqing Survey Institute,Chongqing 401121,China)

机构地区：[1]重庆市勘测院,重庆401121

出　　处：《城市勘测》2022年第2期1-4,共4页Urban Geotechnical Investigation & Surveying

基　　金：国家重点研发计划(2018YFB0505403):城镇空间信息协同管理及综合服务平台;重庆市规划和自然资源局科研项目(KJ-2020005):基于机载点云数据与航摄影像的3D产品及实景三维制作研究。

摘　　要：研究利用无人机分别搭载小型LiDAR和五镜头倾斜相机获取的点云和倾斜影像作为数据源,开展外业像控点及外业打点实测,通过结合实景三维建模、点云过滤、正射纠正、裸眼测图等多种技术手段,形成制作数字高程模型(DEM)、数字正射影像(DOM)、数字线划图(DLG)产品的技术路线,经试验表明效率和精度良好,具有一定的推广应用价值。In this paper,point clouds and tilt images obtained by UAV equipped with small lidar and five lens tilt camera are used as data sources to carry out field image control points and field dot measurement.By combining real 3D modeling,point cloud filtering,orthophoto correction,naked eye mapping and other technical means,digital elevation model(DEM),Digital Orthophoto Image(DOM)and digital elevation model(DEM)are formed The technical route of digital line drawing(DLG)product has been tested and proved to be efficient and accurate,which has certain popularization and application value.

关 键 词：LIDAR 倾斜影像 实景三维建模 数字高程模型 数字正射影像 数字线划图 

分 类 号：P231[天文地球—摄影测量与遥感] P225.2[天文地球—测绘科学与技术]