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Article

Underwater Camera Calibration Based on Double Refraction

by
Yushan Sun
,
Tian Zhou
*,
Liwen Zhang
and
Puxin Chai
Science and Technology on Underwater Vehicle Laboratory, Harbin Engineering University, Harbin 150001, China
*
Author to whom correspondence should be addressed.
J. Mar. Sci. Eng. 2024, 12(5), 842; https://doi.org/10.3390/jmse12050842
Submission received: 17 April 2024 / Revised: 15 May 2024 / Accepted: 17 May 2024 / Published: 19 May 2024
(This article belongs to the Section Physical Oceanography)
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Abstract

Underwater camera calibration plays a pivotal role in underwater positioning and underwater mapping reconstruction, making it crucial for achieving precise spatial measurements in underwater environments. To elevate measurement accuracy, we have refined the calibration methodology for underwater cameras. Firstly, we conducted an in-depth investigation into the intricate challenges posed by double refraction errors arising from light passing through water–glass–air interfaces. To address this issue, we established a double refraction model based on the actual underwater light paths, laying the groundwork for our calibration efforts. Furthermore, to tackle the problem of determining multiple camera parameters, we proposed a parameter optimization method based on genetic algorithms, capable of navigating the complex parameter space. Finally, compared with other algorithms, our method enables more precise determination of underwater camera parameters.
Keywords: camera calibration; underwater camera; double refraction camera calibration; underwater camera; double refraction

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MDPI and ACS Style

Sun, Y.; Zhou, T.; Zhang, L.; Chai, P. Underwater Camera Calibration Based on Double Refraction. J. Mar. Sci. Eng. 2024, 12, 842. https://doi.org/10.3390/jmse12050842

AMA Style

Sun Y, Zhou T, Zhang L, Chai P. Underwater Camera Calibration Based on Double Refraction. Journal of Marine Science and Engineering. 2024; 12(5):842. https://doi.org/10.3390/jmse12050842

Chicago/Turabian Style

Sun, Yushan, Tian Zhou, Liwen Zhang, and Puxin Chai. 2024. "Underwater Camera Calibration Based on Double Refraction" Journal of Marine Science and Engineering 12, no. 5: 842. https://doi.org/10.3390/jmse12050842

APA Style

Sun, Y., Zhou, T., Zhang, L., & Chai, P. (2024). Underwater Camera Calibration Based on Double Refraction. Journal of Marine Science and Engineering, 12(5), 842. https://doi.org/10.3390/jmse12050842

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