摘要
通过三种试验方案对多旋翼无人机免像控点空中三角测量进行充分的精度分析,并提出实用的经验参考值。试验证明该方案的测图和三维建模精度均达到1∶500地形图规范要求,在较大面积多架次整体平差方面也存在适用性。该方法去除了外业地面像控点测量工序,大幅减少了外业像控点测量的时间和成本开支,危险困难地区可有效规避安全风险并实现高精度测图,同时在大规模智慧城市倾斜摄影三维建模工程应用中具有广阔的应用前景。
Through three kinds of test schemes,the accuracy of aerial triangulation of image-free control points by using multi-rotor UAV is fully analyzed,and a practical experience reference value is given.Experiments show that the accuracy of the scheme is up to 1∶500 topographic map specifications,and that the overall adjustment of larger area and multiple sorties is also applicable.This method eliminates the process of field work for the ground image control point measurement,greatly reduces the time and cost.It can also effectively avoid safety risks and achieve high-precision mapping in dangerous and difficult areas.At the same time,it has broad applications in large-scale intelligent city tilt photography 3 D modeling engineering.
作者
尚海兴
任超锋
李祖锋
柯生学
Shang Haixing;Ren Chaofeng;Li Zufeng;Ke Shengxue(Northwest Engineering Corporation Limited,Xi'an 710065,China;Chang'an University,Xi'an 710054,China)
出处
《工程勘察》
2020年第9期52-56,共5页
Geotechnical Investigation & Surveying
基金
中国电建西北勘测设计研究院有限公司科技项目(XBY-2016-10)。
