Application of unmanned aerial vehicle tilt photography technology in geological hazard investigation in China

Zhi-Hong Zhao, Hao Sun (), Nian-Xiao Zhang, Tian-Hui Xing, Guan-Hua Cui, Jin-Xing Lai (), Tong Liu, Yi-Bin Bai and Hai-Jun He
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Zhi-Hong Zhao: Chang’an University
Hao Sun: Northwest University
Nian-Xiao Zhang: Chang’an University
Tian-Hui Xing: Chang’an University
Guan-Hua Cui: Chang’an University
Jin-Xing Lai: Chang’an University
Tong Liu: Xi’an University of Architecture and Technology
Yi-Bin Bai: Harbin Institute of Technology
Hai-Jun He: Xi’an University of Architecture and Technology

Natural Hazards: Journal of the International Society for the Prevention and Mitigation of Natural Hazards, 2024, vol. 120, issue 13, No 3, 11547-11578

Abstract: Abstract A major threat is posed to both human society and the environment by geological hazards, necessitating the need for accurate and comprehensive investigation and application in this field. Traditional geological hazard monitoring technologies are not only inefficient, but also fail to accurately delineate affected areas and provide comprehensive disaster data sets, preventing researchers from conducting precise investigations, detection and prevention. Therefore, this article summarizes the application of oblique photography technology through examples, especially its application in the investigation of local geological disasters such as debris flows and landslides, and the use of orthogonal-based corrected single-view oblique photography technology in the investigation of regional geological disasters such as earthquakes. Through summary, it is found that compared with traditional methods, UAV oblique photography technology is more excellent in the accuracy of investigation, detection, prevention, terrain information identification and geological disaster risk factor analysis in geological disasters. UAV oblique photography technology plays a vital role in the investigation, detection and prevention of geological disasters due to its versatility, efficiency and accuracy. It can help create detailed maps and 3D models of terrain by capturing high-resolution images from multiple angles to help identify potential geohazards. It can also detect changes in landforms, vegetation or waterways to provide warning signs for landslides, sinkholes or provide early warning signals for potential geological hazards such as erosion. High-resolution imagery captured by drones allows rescuers to quickly assess impacts on infrastructure, settlements and natural resources, thereby facilitating the efficient allocation of resources for rescue and recovery efforts. Drone oblique photography technology significantly enhances the ability to investigate, detect and prevent geohazards by providing timely, detailed spatial information critical for informed decision-making and proactive disaster management. Additionally considering that drone oblique photography technology may be combined with artificial intelligence algorithms and virtual reality (VR) imaging technology in the future, this integration is expected to improve the efficiency and accuracy of geological disaster management, thus ensuring the safety of human life and property.

Keywords: Geological hazard investigation; UAV tilt photography technology; Orthoimage single-angle oblique photography; 3D modeling (search for similar items in EconPapers)
Date: 2024
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DOI: 10.1007/s11069-024-06611-3

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