摘要
为了研究基于动态后处理(PPK)技术和实时动态差分(RTK)技术融合差分技术的无人机免像控摄影测量测图的精度,设置了两组对比实验。第一组实验对比了无人机在定高飞行和仿地飞行两种数据获取方式下的垂直摄影测量精度,第二组实验对比了无人机垂直摄影测量和倾斜摄影测量的测图精度[1]。两组对比实验中共采用了三种不同的方法完成了免像控摄影测量测图任务,三种摄影测量方法测出的成果精度都能够满足1∶500比例尺成图精度要求。同时详细介绍了无人机免像控摄影测量技术流程。
Two sets of comparative experiments were designed to study the accuracy of unmanned aerial vehicle(UAV)photogrammetry in no image control point using real time kinematic(RTK)and post processed kinematic(PPK)fusion difference method.The first group compared the vertical photogrammetry accuracy of the UAV under two data acquisition methods of fixed-altitude flight and earth imitating flight,and the second group compared the accuracy of UAV in vertical photogrammetry and oblique photogrammetry mapping.Among them,three different methods were applied to complete the task of GCP-free photogrammetry.The accuracy of the results measured by different methods could meet the mapping accuracy requirements of the scale of 1∶500.Moreover,and the technical process of UAV image-free photogrammetry was introduced in detail.
作者
任智龙
李风贤
柴生亮
李伟伟
REN Zhilong;LI Fengxian;CHAI Shengliang;LI Weiwei(Lanzhou Resources&Environment Voc-Tech University,Lanzhou Gansu 730000,China)
出处
《北京测绘》
2022年第9期1225-1230,共6页
Beijing Surveying and Mapping
基金
甘肃省教育厅高等学校创新基金(2020B-431)
2021年兰州资源环境职业技术学院产业发展研究项目(Y2021A-09)。
关键词
无人机
免像控
摄影测量
融合差分解算
unmanned aerial vehicle(UAV)
no image control point
photogrammetry
fusion Difference method to calculate
作者简介
任智龙(1986-),男,甘肃白银人,大学本科,讲师,研究方向为无人机摄影测量。E-mail:qcsg126@126.com。
