3GormanL O, Nickerson F V. An approach to fingerprint filter design [J]. Pattern Recognition, 1989, 22 (1) : 29.
4Hong Lin, Wan Yifei, Ja N A. Fingerprint image enhancement: algorithm and performance evaluation [J]. IEEE Trans on Pattern Anal and Machine Intell, 1998, 20 (8) : 777.
5Rr Tha N K, Chen S Y, Ja I A. Adaptive flow orientation-based feature extraction in fingerprint images [J]. Pattern Recognition, 1995, 28 (11):1657.
6Mehtre B M. Fingerprint image analysis for automatic identification [J]. Maehine Vision and Appl, 1993 (6) : 124.
7Naini K R, Kalle K, Chen S Y, et al. A real-time matching system for large fingerprint database[J]. IEEE Trans on Pattern Analysis and Machine intelligence, 1996, 18(8): 799.
8Jain A K, Hong L, Bolle R. On-line fingerprint verification [J]. IEEE Transactions on Pattern Analysis and Machine Intelligence, 1997, 19 (4): 302.
9Mehtre B M, Murthy N N, Kapoor S, et al. Segmentation of fingerprint images using the directional images [J]. Pattern Recognition, 1987, 20 (4): 429.
10Mehtre B M, Chatterjee B. Segmentation of fingerprint images-a composite method [J]. Pattern Recognition, 1995, 28 (12): 1657.