测试科学与仪器2024，Vol.15Issue(2)：157-165,9.DOI:10.62756/jmsi.1674-8042.2024016
水下天空偏振图像天顶区域光矢量叠加航向解算
Solution of light vector superposition heading in zenith region of underwater sky polarization image
摘要
Abstract
Underwater skylight polarization images can be utilized for heading measurement,offering advantages such as anti-interference and no accumulation error. A method for underwater polarization image heading estimation was presented based on the superposition of light vectors in the zenith region,with the aim of obtaining the heading angle in underwater environments. The polarization information from the zenith region was analyzed and extracted in conjunction with attitude information. Subsequently,the underwater refracted light polarization vector was synthesized with the atmospheric polarization light vector within the zenith region using superposition operations. Through optimization of the polarization vector,the heading angle of underwater targets was accurately determined. Experimental results demonstrated that the root mean square error (RMSE) of the heading angle in the proposed method was 0.30° in the tank experiment and 0.41° in the marine experiment. Moreover,in the oceans at depths of 0.98 m,4.89 m,and 5.94 m,the RMSE of the solar azimuth was 1.10°,2.03°,and 3.04°,respectively.关键词
偏振图像/航向测量/天顶区域/矢量叠加Key words
polarization images/heading measurements/zenith region/vector superposition引用本文复制引用
房政,郭银景,孔芳,吕雪,杜春晓,阮耀煌..水下天空偏振图像天顶区域光矢量叠加航向解算[J].测试科学与仪器,2024,15(2):157-165,9.基金项目
This work was supported by Shandong Provincial Natural Science Foundation Project(No.ZR2022MF315). （No.ZR2022MF315）
