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Proceedings Paper

Star sensor calibration based on interior-exterior parameters and error compensation
Author(s): Shoubao Liu; Jie Ma; Fei Yan; Yadong Zhu; Jinwen Tian; Wenxing Fu
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Paper Abstract

The researches on calibration of star sensor rarely involve the exterior parameters and image distortion of the optical system. In order to get more accurate interior-exterior parameters of the optical system, this paper proposes exact calibration model and algorithm based on interior-exterior parameters. Basing on analyzing the imaging model of star sensor, the principle of the star sensor calibration is as follow: firstly, the two-step method is used to get the initial interior-exterior parameters; then Levenberg-Marquardt optimization algorithm is utilized to get the global optimal solution. Experiments show that the angular distance of stars can be reduced from 57" to 5.2" after calibration. In addition, the calibration method can effectively eliminate the coupling of the interior-exterior parameters, achieve higher measurement accuracy, and significantly improve the recognition rate of the star map.

Paper Details

Date Published: 27 October 2013
PDF: 7 pages
Proc. SPIE 8919, MIPPR 2013: Pattern Recognition and Computer Vision, 89190B (27 October 2013); doi: 10.1117/12.2031029
Show Author Affiliations
Shoubao Liu, Huazhong Univ. of Science and Technology (China)
Jie Ma, Huazhong Univ. of Science and Technology (China)
Fei Yan, Huazhong Univ. of Science and Technology (China)
Yadong Zhu, Huazhong Univ. of Science and Technology (China)
Jinwen Tian, Huazhong Univ. of Science and Technology (China)
Wenxing Fu, China Aerospace Science and Industry Corp. (China)


Published in SPIE Proceedings Vol. 8919:
MIPPR 2013: Pattern Recognition and Computer Vision
Zhiguo Cao, Editor(s)

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