A high-precision channel slope deformation monitoring method based on airborne laser scanning point cloud
Pages 315 - 319
Abstract
In view of the current situation of high cost and low efficiency of channel slope deformation monitoring, a method of high-precision deformation monitoring based on airborne laser scanning point cloud is proposed. Using the characteristics of airborne IMU positioning error accumulates with time, we combine the self-designed planar three-dimensional control target, intercept the cross-sectional scan line through the vertical plane of the target link, and use the slope gradient analysis method to extract the monitorable area. After aligning the cross-sectional scan lines of the two phases of data and calculating their deformation variables, the final deformation results are analyzed. In this paper, the airborne laser scanning point cloud data of the South-North Water Transfer Project are used for experimental analysis, and the experiment proves that the deformation detection accuracy of this method can reach millimeter level.
References
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Meng X, Roberts GW, Dodson AH, et al. 2004. Impact of GPS satellite and pseudolite geometry on structural deformation monitoring: analytical and empirical studies, Journal of Geodesy, 77(12), 809--822.
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Index Terms
- A high-precision channel slope deformation monitoring method based on airborne laser scanning point cloud
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Published In
June 2021
807 pages
ISBN:9781450390231
DOI:10.1145/3473714
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- Chongqing Univ.: Chongqing University
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Association for Computing Machinery
New York, NY, United States
Publication History
Published: 13 August 2021
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- Research-article
- Research
- Refereed limited
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ICCIR 2021
ICCIR 2021: 2021 International Conference on Control and Intelligent Robotics
June 18 - 20, 2021
Guangzhou, China
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ICCIR '21 Paper Acceptance Rate 131 of 239 submissions, 55%;
Overall Acceptance Rate 131 of 239 submissions, 55%
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