Restoration for blurred star image using RL method

Fei Yan; Jie Ma; Shoubao Liu; Hanlu Shi; Shengxiang Qi; Jinwen Tian; Wenxing Fu

doi:10.1117/12.2031107

26 October 2013 Restoration for blurred star image using RL method

Fei Yan, Jie Ma, Shoubao Liu, Hanlu Shi, Shengxiang Qi, Jinwen Tian, Wenxing Fu

Proceedings Volume 8918, MIPPR 2013: Automatic Target Recognition and Navigation; 891814 (2013) https://doi.org/10.1117/12.2031107
Event: Eighth International Symposium on Multispectral Image Processing and Pattern Recognition, 2013, Wuhan, China

Abstract

Star image blurred by aircraft vibration decreases location accuracy and probability of the star extraction. In this paper, first, the influence of aircraft vibration on the star image captured by star sensors is analyzed, and the mathematical model is deduced and established. Then, in order to overcome the adverse effects of star extraction and stabilize the accuracy of star sensor in high dynamic environment, a restoration method for blurred star image using Richardson-Lucy (RL) method is introduced. The experimental results indicate that the proposed method can effectively improve the star image signal-to-noise ratio and the extraction accuracy.

Citation Download Citation

Fei Yan, Jie Ma, Shoubao Liu, Hanlu Shi, Shengxiang Qi, Jinwen Tian, and Wenxing Fu "Restoration for blurred star image using RL method", Proc. SPIE 8918, MIPPR 2013: Automatic Target Recognition and Navigation, 891814 (26 October 2013); https://doi.org/10.1117/12.2031107

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KEYWORDS

Stars

Signal to noise ratio

Image restoration

Image quality

Point spread functions

Star sensors

Image sensors

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