Zewen Wang, Guangjun Wang, Xiaobo Liu, Jinhua She. Star map recognition method of L2 normal distance[J]. Infrared and Laser Engineering, 2020, 49(10): 20200040

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- Infrared and Laser Engineering
- Vol. 49, Issue 10, 20200040 (2020)

Fig. 1. Image of analog star sensor

Fig. 2. Recognition results based on L2 normal form distance under standard star Library

Fig. 3. Sum of minimum Hausdorff distance based on L1 normal form

Fig. 4. Sum of minimum Hausdorff distance based on L2 normal form

Fig. 5. Minimum HD distance at rolling angle is 0.5°, 1.0°, 1.5°and 2.0° in L1 normal form respectively

Fig. 6. Transformation of identifiability with rolling angle under normal form L1

Fig. 7. Minimum HD distance under normal form L2 when rotation angle is 0.5°, 1.0°, 1.5° and 2.0° respectively

Fig. 8. Difference between the HD minimum distance and the secondary minimum distance in L2 normal form

Fig. 9. Minimum HD distance under normal form L2 when the image of star sensor expands 1,1.05, 1.10, 1.15 times respectively

Fig. 10. Minimum HD distance under L2 normal form when the image of star sensor expands 1, 2, 3, 4 times respectively

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