倾斜摄影实景三维模型在大比例尺地形图中的应用  

Application of Oblique Photography Real Scene 3D Models in Large-scale Topographic Maps

作　　者：张倩倩 ZHANG Qianqian(China Construction Materials Industrial Geology Reconnaissance Center Liaoning General Team,Shenyang 110004,China)

机构地区：[1]中国建筑材料工业地质勘查中心辽宁总队,辽宁沈阳110004

出　　处：《科技创新与生产力》2025年第2期139-142,共4页Sci-tech Innovation and Productivity

摘　　要：本文提出了一种基于倾斜摄影技术的大规模三维数字地形测绘方法,利用无人机倾斜摄影技术采集大尺度地理目标数据,通过获取到的地理物体数据进行三维建模,实现大比例尺三维数字地形图的制图。实验结果表明,该方法绘制大尺度三维数字地形图表面精度检测均方误差为0.202 m,高程均方误差为0.257 m,平面均方误差为0.201 m,高程均方误差为0.197 m,具有较高的精度和优异的空中三角测量性能,为大比例地形图绘制提供借鉴。This paper proposes a large-scale 3D digital topographic mapping method based on oblique photography technology,UAV oblique photography technology is used to collect large-scale geographical target data,3D modeling is completed based on the acquired geographical object data,and the mapping of large-scale 3D digital topographic maps is realized.Experimental results show that this method can draw large-scale 3D digital topographic maps,and the mean square error of surface accuracy detection is 0.202 m,the mean square error of elevation is 0.257 m,the mean square error of plane is 0.201 m,and the mean square error of elevation is 0.197 m.It has high accuracy and excellent aerial triangulation performance,and provides reference for large-scale topographic map drawing.

关 键 词：数字摄影测量 三维模型 地形图 无人机 

分 类 号：P642[天文地球—工程地质学]