[1] [1] SHU W, ZHANG D. Automated personal identification by palmprint［J］. Optical Engineering, 1998, 37(8): 2359-2362.

[2] [2] ZHANG D, KONG W K, YOU J, et al.. Online palmprint identification ［J］. IEEE Transactions on Pattern Analysis and Machine Intelligence, 2003, 25(9): 1041-1050.

[3] [3] KONG A, ZHANG D, KAMEL M. A survey of palmprint recognition ［J］. Pattern Recognition, 2009, 42(7): 1408-1418.

[4] [4] WU X Q, ZHANG D P, WANG K Q. Palmprint Recognition ［M］.Beijing: Science Press, 2006. (in Chinese)

[5] [5] HUANG D S, JIA W, ZHANG D. Palmprint verification based on principal lines ［J］. Pattern Recognition, 2008, 41(4): 1316-1328.

[6] [6] YUAN W Q, GU Z H. Research on feature selection method based on five classes of palmprint principal lines on the whole palm ［J］. Chinese Journal of Scientific Instrument, 2012, 33(4): 942-948. (in Chinese)

[7] [7] BADRINATH G S, GUPTA P. Palmprint based recognition system using phase-difference information ［J］. Future Generation Computer Systems, 2012, 28(1): 287-305.

[8] [8] MICHAEL G K O, CONNIE T, TEOH A B J. Touch-less palm print biometrics: Novel design and implementation ［J］. Image and Vision Computing, 2008, 26(12): 1551-1560.

[9] [9] CHOGE H K, OYAMA T, KARUNGARU S, et al.. Palmprint recognition based on local DCT feature Extraction ［C］. Proceedings of 16th International Conference on Neural Information Processing, Bangkok, Thailand, 2009: 639-648.

[10] [10] SRINIVAS B G, GUPTA P. Palmprint based verification system using SURF features［C］. Proceedings of the 2nd International Conference on Contemporary Computing, Noida, India, 2009: 250-262.

[11] [11] YUAN W Q, FAN Y G, KE L. Palmprint recognition method based on gray surface matching ［J］. Journal of Optoelectronics·Laser, 2009, 20(6): 807-811. (in Chinese)

[12] [12] LU G M, ZHANG D, WANG K Q. Palmprint recognition using eigenpalms features ［J］. Pattern Recognition Letters, 2003, 24(9-10): 1463-1467.

[13] [13] SANG H F, YUAN W Q, ZHANG ZH J, et al.. Palmprint recognition based on two-dimensional principal component analysis ［J］. Chinese Journal of Scientific Instrument, 2008, 29(9): 1929-1932. (in Chinese)

[14] [14] GUO J Y, YUAN W Q. Palmprint recognition based on two-dimensional Fisher linear discriminant ［J］. Computer Engineering, 2008, 34(6): 212-213. (in Chinese)

[15] [15] CHORAS M, KOZIK R. Contactless palmprint and knuckle biometrics for mobile devices ［J］. Pattern Analysis and Applications, 2012, 15(1): 73-85.

[16] [16] KANHANGAD V, KUMAR A, ZHANG D. A unified framework for contactless hand verification ［J］. IEEE Transactions on Information Forensics and Security, 2011, 6(3): 1014-1027.

[17] [17] MICHAEL G K O, CONNIE T, JIN A T B. Design and implementation of a contactless palmprint and palm vein sensor ［C］. Proceedings of 11th International Conference on Control, Automation, Robotics and Vision, Singapore, 2010: 1268-1273.

[18] [18] YUAN W Q, FENG S Y. Simulation system of improved non-contact on-line palmprint recognition ［J］. Acta Optica Sinica, 2011, 31(7): 0712003. (in Chinese)

[19] [19] SANG H F, LIU F. Defocused palmprint recognition using 2DPCA ［C］. Proceedings of International Conference on Artificial Intelligence and Computational Intelligence, Shanghai, China, 2009: 611-615.

[20] [20] ZHAO J Y, WU Y H, JIA J L, et al.. Image restoration based on real time wave-front information ［J］. Opt. Precision Eng., 2012, 20(6): 1350-1356. (in Chinese)

[21] [21] KANG B J, PARK K R. Real-time image restoration for iris recognition systems ［J］. IEEE Transactions on Systems, Man, and Cybernetics, Part B: Cybernetics, 2007, 37(6): 1555-1566.

[22] [22] FAN X, ZHANG Q, LIANG D Q, et al.. Face image restoration based on statistical prior and image blur measure［C］. Proceedings of the IEEE International Conference on Multimedia and Expo, Piscataway, NJ, USA, 2003: 297-300.

[23] [23] LEE E C, PARK K R. Image restoration of skin scattering and optical blurring for finger vein recognition ［J］. Optics and Lasers in Engineering, 2011, 49(7): 816-828.

[24] [24] WU D Y, ZHANG ZH B, MA S L. An image restoration method in the contactless palmprint recognition ［J］. Journal of Jilin University (Science Edition), 2008, 46(2): 293-295. (in Chinese)

[25] [25] WEN B, ZHANG Q H,ZHANG J L.Realization of iterative blind image restoration by self deconvolution and increment Wiener filter ［J］. Opt. Precision Eng., 2012, 20(12): 3049-3055. (in Chinese)

[26] [26] LIANG CH, SHEN J X, NIU S S. High resolution retinal imaging system based on semi-blind deconvolution restoration ［J］. Opt. Precision Eng., 2012, 20(6): 1374-1381. (in Chinese)

[27] [27] ZHUO S J, SIM T. Defocus map estimation from a single image ［J］. Pattern Recognition, 2011, 44(9): 1852-1858.

[28] [28] GU S C, TAN Y, HE X G. Laplacian smoothing transform for face recognition ［J］. Science China-Information Sciences, 2010, 53(12): 2415-2428.

[29] [29] ZHAI Y P, ZHOU D X, LIU Y H, et al.. Design of evaluation index for auto-focusing function and optimal function selection ［J］. Acta Optica Sinica, 2011, 31(4): 0418002. (in Chinese)