[1] [1] LI ZH ZH, WEI H G. The algorithm of star extraction based on mathematical morphology in the bright-background ［J］. 2011, 38(12): 23-27.(in Chinese)

[2] [2] WANG H Y, FEI ZH H, WANG X L. Precise simulation of star spots and centroid calculation based on Gaussian distribution ［J］. Opt. Precision Eng., 2009, 17(7): 1672-1677. (in Chinese)

[3] [3] LIU T Y, WANG SH CH, LIU ZH G. Universal star centroiding with stepping variant weighting integration ［J］. Opt. Precision Eng., 2011, 19(10): 2494-2499. (in Chinese)

[4] [4] SUN J Q, ZHOU J. Centroid location for space targets based on energy acculmulation ［J］. Opt. Precision Eng., 2011, 19(12): 3043-3048. (in Chinese)

[5] [5] HAI F, YUAN J H, MAO Y G. Research on rapid star map matching algorithm ［J］. Opto-Electronic Engineering, 1998, 25(6): 70-74. (in Chinese)

[6] [6] ZHANG L, WEI ZHONG H, et al.. Fast all-sky autonomous star identification ［J］. Opt. Electronic Eng., 2009,17(4): 909-915. (in Chinese)

[7] [7] ZHANG L, HE X, et al.. Modification of triangle identification algorithm ［J］. Opt. Electronic Eng., 2010, 18(2): 458-463. (in Chinese)

[8] [8] WANG H Y, FEI H, ZHANG CH. An improved star pattern identification algorithm based on main star ［J］. Opt. Precision Eng., 2009, 17(1): 220-224. (in Chinese)

[9] [9] LIU CH SH, MAR R P. Star pattern matching for celestial guidance［J］. Journal of Astronautics, 2006, 27(1): 31-35. (in Chinese)

[10] [10] JAVIER R, PATRICIO L, PABLO Z. Applying SIFT Descriptors to Stellar Image Matching ［C］. CIARP 2008, LNCS 5197, 2008: 618-625.

[11] [11] LIU R, ZHANG H. Stereo cameras self-calibration based on SIFT［C］. Proc of International Conference on Measuring Technology and Mechatronics Automation.2009: 352-355.

[12] [12] JIANG Z T, WU W H. An essential matrix-based camera self-calibration method ［J］. Journal of Image and Graphics, 2010, 15(4):565-569. (in Chinese)

[13] [13] LEI CH, HU ZH Y, et al.. A novel camera self-calibration technique based on the Kruppa equations［J］. Chinese Journal of Computers, 2003, 26(5): 587-597. (in Chinese)

[14] [14] LOWE D G. Distinctive image features from scale-invariant keypoints［J］.International Journal of Computer Vision, 2004:91-110.

[15] [15] HERBERT B, ANDREAS E, TINNE T, et al.. Speeded up robust features ［J］. Computer Vision and Image Understanding, 2008，110(3):346-359.

[16] [16] LUO J, OUBONG G. A comparison of SIFT, PCA-SIFT, and SURF ［J］. International Journal of Image Processing (IJIP),2009, 3(4): 143-152.

[17] [17] ZHAI Y, ZENG L. A SIFT matching algorithm based on adaptive contrast threshold［C］. Proceedings of 2011 International Conference on Consumer Electronics, Communications and Networks, 2011: 1934-1937.

[19] [19] http://www.astronomyphotos.com/index.htm［OL］.