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6 May 2024 Application research of hyperspectral remote sensing in the identification of stratigraphic boundaries alongside growing tunnels
Xiaojia Bi, Liangwen Jiang, Qing Dong, Lei He, Dong Wang
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Proceedings Volume 13161, Fourth International Conference on Telecommunications, Optics, and Computer Science (TOCS 2023); 1316109 (2024) https://doi.org/10.1117/12.3025816
Event: Fourth International Conference on Telecommunications, Optics and Computer Science (TOCS 2023), 2023, Xi’an, China
Abstract
The geological survey along the large railway in China is difficult, the boundaries of many regional geological maps are unclear, and the geological mapping is very different. The use of hyperspectral remote sensing can greatly improve the survey accuracy in complex mountainous areas. In the identification of lithology and structure, hyperspectral remote sensing has certain advantages compared with multi-spectral satellite images. In this paper, the hyperspectral data of Gaofen-5 satellite is interpreted by a series of technical methods, such as data preprocessing, radiometric calibration, atmospheric correction, orthographic correction, image information enhancement, radiation homogenization processing, etc. According to different geological conditions, lithologic structure information by hyperspectral information enhancement technology in different regions and layers. Different geological units are effectively divided, the distribution characteristics of geological structure space are identified, and some stratigraphic boundaries of the original geological map are adjusted. This paper solves the problems that the survey personnel of long and large tunnels cannot reach, and the conventional survey methods cannot verify the stratigraphic boundaries and lithological characteristics. It also provides an important auxiliary reference value for the identification of surrounding rock of hyperspectral remote sensing.
(2024) Published by SPIE. Downloading of the abstract is permitted for personal use only.
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Xiaojia Bi, Liangwen Jiang, Qing Dong, Lei He, and Dong Wang "Application research of hyperspectral remote sensing in the identification of stratigraphic boundaries alongside growing tunnels", Proc. SPIE 13161, Fourth International Conference on Telecommunications, Optics, and Computer Science (TOCS 2023), 1316109 (6 May 2024); https://doi.org/10.1117/12.3025816
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KEYWORDS
Remote sensing
Atmospheric corrections
Satellites
Radiometric calibration
Reflectivity
Hyperspectral imaging
Principal component analysis
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