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Application of oblique photogrammetry technique in geological hazard identification and decision management

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Application of oblique photogrammetry technique in geological hazard identification and decision management
With the continuous development of the oblique photography technique,it has been used more and more widely in the field of geological disasters.It can quickly obtain the three-dimensional(3D)real scene model of dangerous mountainous areas under the premise of ensuring the safety of personnel while restoring the real geographic information as much as possible.However,geological disaster areas are often accompanied by many adverse factors such as cliffs and dense vegetation.Based on this,the paper introduced the flight line design of oblique photogrammetry,analyzed the multi-platform data fusion processing,studied the multi-period data dynamic evaluation technology and proposed the application methods of data acquisition,early warning,disaster assessment and decision management suitable for geological disaster identification through the analysis of actual cases,which will help geologists to plan and control geological work more scientifically and rationally,improve work efficiency and reduce the potential personnel safety hazards in the process of geological survey,to offer technical support to the application of oblique photogrammetry in geological disaster identification and decision making and provide the scientific basis for personal and property safety protection and later-stage geological disaster management in disaster areas.

Oblique photography techniqueThree-dimensional modelsGeological hazardsData integrationDisaster assessmentDecision management

Min Tang、Xi Mei、Yanna Li、Chen Chen、Xiuju Liu、Heng Lu

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China Railway Eryuan Engineering Group CO.LTD,Chengdu,610031,China

School of Environment and Resource,Southwest University of Science and Technology,Mianyang,621000,China

State Key Laboratory of Hydraulics and Mountain River Engineering,Sichuan University,Chengdu,610065,China

College of Hydraulic and Hydroelectric Engineering,Sichuan University,Chengdu,610065,China

Chengdu Planning Information Technic Center,Chengdu,610042,China

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Oblique photography technique Three-dimensional models Geological hazards Data integration Disaster assessment Decision management

2024

10.1016/j.eqrea.2023.100269

地震研究进展(英文)
中国地震局

地震研究进展(英文)

影响因子：0.032
ISSN：2096-9996
年,卷(期)：2024.4(3)