Paper
27 March 2022 Water attenuation coefficient estimation with pulsed laser range-gated imaging system
Author Affiliations +
Proceedings Volume 12169, Eighth Symposium on Novel Photoelectronic Detection Technology and Applications; 1216953 (2022) https://doi.org/10.1117/12.2624299
Event: Eighth Symposium on Novel Photoelectronic Detection Technology and Applications, 2021, Kunming, China
Abstract
Pulsed laser range-gated imaging system can reduce the influence of backscattered light in water. However, when searching for targets in unknown water, it is necessary to obtain the attenuation coefficient at the laser wavelength in the water. Usually, the attenuation coefficient of the water needs to be obtained by special instruments. In this paper, a numerical analysis method is proposed to extract the attenuation coefficient of water from the images collected by the range-gated imaging system. First, radiative transfer theory is used to model the imaging process of the pulsed laser range-gated imaging system. Then, the attenuation coefficient of the water is solved by numerical analysis method. At the same time, an experimental system is built to verify the method. The results under different water conditions show that, method in this paper is feasible and effective.
© (2022) COPYRIGHT Society of Photo-Optical Instrumentation Engineers (SPIE). Downloading of the abstract is permitted for personal use only.
Hong-Sheng Lin, Li-Heng Ma, Qing-Ping Hu, Dong-dong Jin, and Xiao-Hui Zhang "Water attenuation coefficient estimation with pulsed laser range-gated imaging system", Proc. SPIE 12169, Eighth Symposium on Novel Photoelectronic Detection Technology and Applications, 1216953 (27 March 2022); https://doi.org/10.1117/12.2624299
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KEYWORDS
Imaging systems

Signal attenuation

Receivers

Image processing

Numerical analysis

Gated imaging

LIDAR

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