| 对比传统低空航测的无人机倾斜摄影测量精度评估 |
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| 引用本文： | 蔡嘉伦,贾洪果,刘国祥,张波,刘巧,吴仁哲,向卫,毛文飞,张瑞.对比传统低空航测的无人机倾斜摄影测量精度评估[J].测绘通报,2022,0(2):31-36. |
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| 作者姓名： | 蔡嘉伦 贾洪果 刘国祥 张波 刘巧 吴仁哲 向卫 毛文飞 张瑞 |
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| 作者单位： | 1. 西南交通大学地球科学与环境工程学院, 四川 成都 611756;2. 高速铁路运营安全空间信息技术国家地方联合工程试验室, 四川 成都 611756;3. 中国科学院成都山地灾害与环境研究所, 四川 成都 610041 |
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| 基金项目： | 国家自然科学基金(41771402; 41701535; 41871069)；;国家重点研发计划(2017YFB0502700)；;四川省科技计划(2019YJ0224; 2019ZDZX0042; 2020JDTD0003; 2020YJ0322)； |
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| 摘 要： | 国内倾斜摄影测量技术目前仍处于快速发展的推广阶段，其成果精度高度依赖于航测生产全流程中各航测参数的选取，很难实现对其绝对精度的定量分析。针对这一难点，本文采用对比分析的方式，以传统低空航测为参照，在严格统一外部数据采集条件、解算参数的基础上对无人机倾斜摄影测量进行精度评估与分析，探索无人机倾斜摄影测量的突出技术优势。试验共涉及12种主流航测模式及52种地面控制点，采用递进布设方式对比分析其成果精度，并完成了倾斜摄影测量对比传统低空航测的量化分析。本文可为倾斜摄影测量精度评估提供一定的参考，具有较好的工程实践指导意义。
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| 关 键 词： | 无人机航测 倾斜摄影测量 空中三角测量 对比分析 精度评估 |
| 收稿时间： | 2021-03-08 |
| 修稿时间： | 2021-05-17 |
Accuracy evaluation of UAV tilt photogrammetry compared with traditional low altitude aerial photogrammetry |
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| CAI Jialun,JIA Hongguo,LIU Guoxiang,ZHANG Bo,LIU Qiao,WU Renzhe,XIANG Wei,MAO Wenfei,ZHANG Rui.Accuracy evaluation of UAV tilt photogrammetry compared with traditional low altitude aerial photogrammetry[J].Bulletin of Surveying and Mapping,2022,0(2):31-36. |
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| Authors: | CAI Jialun JIA Hongguo LIU Guoxiang ZHANG Bo LIU Qiao WU Renzhe XIANG Wei MAO Wenfei ZHANG Rui |
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| Institution: | 1. Faculty of Geosciences and Environmental Engineering, Southwest Jiaotong University, Chengdu 611756, China;2. State-Province Joint Engineering Laboratory of Spatial Information Technology of High-Speed Rail Safety, Chengdu 611756, China;3. Institute of Mountain Hazards and Environment, Chinese Academy of Sciences, Chengdu 610041, China |
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| Abstract: | At present, the domestic tilt photogrammetry technology is still in the stage of rapid development and promotion, and its accuracy highly depends on the selection of aerial survey parameters in the whole process of aerial survey production, so it is difficult to realize the quantitative analysis of its absolute accuracy index. In view of this difficulty, this paper adopts the way of comparative analysis taking the traditional low altitude aerial survey as the reference, on the basis of strictly unified the external data acquisition conditions and solving parameters, evaluates and analyzes the accuracy of unmanned aerial vehicle (UAV) tilt photogrammetry, and explores the outstanding technical advantages of UAV tilt photogrammetry. The experiment involves 12 kinds of mainstream aerial survey modes and 52 kinds of progressive layout of ground control points in order to compare and analyze the accuracy index of the results, and complete the quantitative analysis of tilt photogrammetry compared with traditional low altitude aerial survey. This study can provide certain reference and practical guidance for the accuracy evaluation of tilt photogrammetry. |
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| Keywords: | UAV aerial photogrammetry tilt photogrammetry aerotriangulation comparative analysis accuracy evaluation |
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