基于无人机倾斜摄影和激光扫描的离岸海岛高精度实景三维重建

doi:10.13474/j.cnki.11-2246.2024.0305

测绘通报 ›› 2024, Vol. 0 ›› Issue (3): 25-30.doi: 10.13474/j.cnki.11-2246.2024.0305

基于无人机倾斜摄影和激光扫描的离岸海岛高精度实景三维重建

张书航^1,2, 李旺民³, 庞尹宁¹, 常兵涛¹, 马德富³, 李秀龙³, 张吴明¹

1. 中山大学测绘科学与技术学院, 广东珠海 519082;
2. 自然资源部海洋环境探测技术与应用重点实验室, 广东广州 510310;
3. 珠海市测绘院, 广东珠海 519000

收稿日期:2023-07-10 发布日期:2024-04-08
通讯作者: 李旺民，E-mail:155288253@qq.com
作者简介:张书航(1991—),男,博士,助理教授,主要研究方向为无人机摄影测量与点云处理。E-mail:zhangsh52@mail.sysu.edu.cn
基金资助:
珠海市社会发展领域科技计划(2320004000333);自然资源部海洋环境探测技术与应用重点实验室开放基金(MESTA-2022-B004);广东省珠江人才计划(2021CX02S024)

Reconstruction of high-precision real 3D data of offshore islands based on drone tilt photography and laser scanning

ZHANG Shuhang^1,2, LI Wangmin³, PANG Yinning¹, CHANG Bingtao¹, MA Defu³, LI Xiulong³, ZHANG Wuming¹

1. School of Geospatial Engineering and Science, Sun Yat-sen University, Zhuhai 519082, China;
2. Key Laboratory of Marine EnvironmentalSurvey Technology and Application, Ministry of Natural Resources, Guangzhou 510310, China;
3. Zhuhai Institute of Surveying and Mapping, Zhuhai 519000, China

Received:2023-07-10 Published:2024-04-08

摘要/Abstract

摘要： 本文面向离岸海岛实景三维需求与技术挑战,以珠海市庙湾岛为观测对象,采用无人机倾斜摄影与激光扫描的方式进行离岸海岛的实景三维数据获取。详细介绍了无人机任务规划、地面控制与实景三维数据处理工作,以及基于无参数布料模拟滤波的DEM生成,最终通过检查点验证了数据的绝对精度。结果表明,获取的正射、倾斜影像总中误差分别为14.72、6.60cm;点云、DSM、DEM高程中误差分别为3.10、6.20、7.11cm,满足离岸海岛实景三维展示与调查管理的需求。

关键词: 离岸海岛, 实景三维, 无人机, 摄影测量, 激光雷达, 地面滤波

Abstract: This paper addresses the needs and technical challenges of real 3D for offshore islands, taking the Miaowan Island in Zhuhai, China as the observation object, using UAV oblique photogrammetry and laser scanning for real 3D data acquisition of offshore islands. Details of the UAV mission planning, ground control and live 3D data processing work, and DEM generation based on parameter-free cloth simulation filtering are presented. The absolute accuracy of the data is verified by checkpoints. The results show that the total mean square error of the acquired ortho-and oblique images are 14.72 and 6.60cm,respectively; the errors of the point cloud, DSM and DEM elevations are 3.10, 6.20 and 7.11cm,respectively, which meet the needs of offshore island live 3D display and survey management.

Key words: offshore islands, real 3D, unmanned aerial vehicles, photogrammetry, LiDAR, ground filtering

中图分类号:

P237

张书航, 李旺民, 庞尹宁, 常兵涛, 马德富, 李秀龙, 张吴明. 基于无人机倾斜摄影和激光扫描的离岸海岛高精度实景三维重建[J]. 测绘通报, 2024, 0(3): 25-30.

ZHANG Shuhang, LI Wangmin, PANG Yinning, CHANG Bingtao, MA Defu, LI Xiulong, ZHANG Wuming. Reconstruction of high-precision real 3D data of offshore islands based on drone tilt photography and laser scanning[J]. Bulletin of Surveying and Mapping, 2024, 0(3): 25-30.

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基于无人机倾斜摄影和激光扫描的离岸海岛高精度实景三维重建

Reconstruction of high-precision real 3D data of offshore islands based on drone tilt photography and laser scanning

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