基于倾斜实景三维模型的城市基础测绘应用研究  

Research of urban basic surveying and mapping technology based on oblique live 3D model

作　　者：高志国[1,2] 宋杨 Gao Zhiguo;Song Yang(Guangzhou Urban Planning Design&Survey Research Institute,Guangzhou 510060,China;Guangdong Provincial Engineering Technology Research Center,Guangzhou 510060,China)

机构地区：[1]广州市城市规划勘测设计研究院,广州510060 [2]广东省工程技术研究中心,广州510060

出　　处：《工程勘察》2020年第3期60-63,68,共5页Geotechnical Investigation & Surveying

基　　金：广州市科技计划项目(编号:201704030102).

摘　　要：倾斜摄影测量技术的快速发展,为智慧城市建设、测绘与地理信息领域应用提供了新的技术支撑。本文通过倾斜摄影测量技术研究基于实景三维模型测绘地形图的方法,结合无人机低空遥感和倾斜摄影测量技术的双重优势,简化作业流程、降低劳动强度、提高生产效率。试验地形图成果精度为:平面精度0. 134m,高程精度0. 031m,表明该成果满足基础测绘地形图成果精度指标。基于倾斜实景三维模型的地形图测绘方法可纳入基础测绘动态更新技术体系中并推广应用。The rapid development of oblique photogrammetry technology provides a new solution for smart city and geomatics&geographic applications.This paper studies the method of topographic mapping based on live 3D models by tilting photogrammetry technology through combining the dual advantages of low-altitude UVA remote sensing and oblique photogrammetry technology,which has simple-process,low-intensity and high-efficiency.The obtained accuracy of the test topographic map is 0.134m in horizontal and 0.031m in vertical.It meets the accuracy index of the basic surveying and mapping requirements.This topographic surveying method can be incorporated into the basic surveying and mapping dynamic update system and applied widely.

关 键 词：倾斜摄影测量技术 实景三维模型 基础测绘 城市基本地形图 动态更新 

分 类 号：P208[天文地球—地图制图学与地理信息工程]