G. I. Davida, Y. Frankel, and B. J. Matt, "On enabling secure
applications through off-line biometric identification," in Proc. IEEE
Symp. Privacy and Security, pp. 148-157, May 1998.
 G. I. Davida, Y. Frankel, B. J. Matt, and R. Peralta, "On the relation of
error correction and cryptography to an offline biometric based
identification scheme," in Proc. Workshop Coding and Cryptography
(WCC-99), pp. 129-138, 1999.
 M. G. Linnartz, P. Tuyls. New Shielding Functions to Enhance Privacy
and Prevent Misuse of Biometric Templates, AVBPA 2003, pp. 393-
 T. Clancy, N. Kiyavash, D.J.Lin. "Secure Smartcard-Based Fingerprint
Authentication", Proc. of the 2003 ACM SIGMM workshop on
Multimedia, Biometric Methods and Applications, pp 45-52, 2003.
 F. Monrose, M. Reiter, Q. Li, S. Wetzel. Cryptographic key generation
from voice, Proc. IEEE Symp. on Security and Privacy, pp. 201-213,
 Uludag, U., Sharath Pankanti, Salil Prabhakar, Anil Jain, Biometric
Cryptosystems: Issues and Challenges, Proc. of the IEEE, VOL.92,
No.6, pp.948-960, June 2004.
 John Daugman, How Iris Recognition Works, IEEE Transactions On
Circuits and Systems For Video Technology, Vol. 14, No. 1, pp.21-30,
 Li Ma, Tieniu Tan, Yunhong Wang, and Dexin Zhang, Efficient Iris
Recognition by Characterizing key Local variations, IEEE Transaction
on Image processing, Vol.13, No.6, June 2004.
 Shinyoung Lim , Kwanyong Lee, Okhwan Byeon, and Taiyun Kim,
Efficient Iris Recognition through Improvement of Feature Vector and
Classifier, ETRI J., Vol. 23, No. 2, PP. 61-70, June 2001.
 A.Chitra and R.Bremananth, Efficient Identification Based on Human
Iris Patterns, Proceedings of Fourth Indian Conf. on Computer Vision,
Graphics and Image processing (ICVGIP), PP. 177-183, December
 A. Chitra and R.Bremananth, Secure PID using iris pattern based on
circular symmetric and Gabor filters, Proceedings of Inter. Conf.
Advanced Computing and Communication (ADCOM), PP. 36,
 Canny, John. "A Computational Approach to Edge Detection", IEEE
Transactions on Pattern Analysis and Machine Intelligence, Vol. 8, No.
6, pp. 679-698, 1986.
 Rafael C. Gonzalez, Richard E. Woods, Steven L.Eddins, "Digital
Images processing using MATLAB", Pearson Education, 2004.
 Jane Miller, "Statistics for Advanced level", Second edition, Cambridge
University press, 1996.
 Michael Negin Thomas A. Chmielewski,et al., "An iris biometric system
for public and personal use", IEEE catalog No. 0018-9162, 2000.