Spacecraft Recovery & Remote Sensing, Volume. 45, Issue 4, 71(2024)
Correction Method for On-Orbit Distortion in Star Sensor Imaging Based on Deep Neural Networks
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Table 1. Star sensor parameters
View tableView in ArticleTable 1. Star sensor parameters
参数名称 数值 视场/(°) 20×20 探测器分辨率/像素 1 024×1 024 像素尺寸/μm 15×15 焦距/mm 43.3 极限观测星等/Mv 6
Table 2. Comparison of star map correction errors for two methods using simulated star map datase
View tableView in ArticleTable 2. Comparison of star map correction errors for two methods using simulated star map datase
方法 平均误差/像素 径向偏心畸变 薄棱镜畸变 多项式畸变 校正前 0.7237 0.517 7 0.792 7 GA-BP 0.076 3 0.190 1 0.100 5 本文方法 0.058 6 0.062 9 0.074 3
Table 3. Comparison of star map correction errors for two methods using star sensor image dataset
View tableView in ArticleTable 3. Comparison of star map correction errors for two methods using star sensor image dataset
方法 平均误差/像素 标准误差 校正前 1.557 2 0.865 1 GA-BP 0.405 5 0.203 2 本文方法 0.352 2 0.324 3
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Xurui CHEN, Haodong YAN, Guopeng DING, Shuai ZHI, Yonghe ZHANG, Chengcheng FAN, Zhaoxiong LI, Zhencai ZHU. Correction Method for On-Orbit Distortion in Star Sensor Imaging Based on Deep Neural Networks[J]. Spacecraft Recovery & Remote Sensing, 2024, 45(4): 71
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Received: Oct. 13, 2023
Accepted: --
Published Online: Nov. 1, 2024
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