Phase encryption of biometrics in diffractive optical elements

Optics Letters

Volumn 21, Issue 16, 1996, Pages 1271-1273

  Johnson, E G ^a   Brasher, J D ^a  

^a Sy Technology Inc   (United States)

Author keywords

[No Author keywords available]

Indexed keywords

ALGORITHMS; CRYPTOGRAPHY; FOURIER TRANSFORMS; OPTICAL DEVICES; PROBABILITY; SECURITY SYSTEMS; SPURIOUS SIGNAL NOISE;

ADDITIVE NOISE; BIOMETRICS; DECRYPTION; DIFFRACTIVE OPTICAL ELEMENTS; GENERALIZED PROJECTION METHOD; MEAN SQUARED ERROR; PHASE ENCRYPTION;

IMAGE CODING;

EID: 0030215999     PISSN: 01469592     EISSN: None     Source Type: Journal    
DOI: 10.1364/OL.21.001271     Document Type: Article

References (7)

1. B. Javidi and J. L. Horner, Opt. Eng. 33, 1752 (1994).
2. Ph. Réfrégier and B. Javidi, Opt. Lett. 20, 767 (1995).
3. A. Levi and H. Stark, in Image Recovery: Theory and Application, H. Stark, ed. (Academic, Orlando, Fla., 1987), Chap. 8, p. 277.
4. R. W. Gerchberg and W. O. Saxton, Optik 35, 237 (1972).
5. D. C. Youla, in Image Recovery: Theory and Application, H. Stark, ed. (Academic, Orlando, Fla., 1987), Chap. 2, p. 29.
6. J. R. Fienup, Appl. Opt. 21, 2758 (1982).
7. D. Zaleta, M. Larsson, W. Daschner, and S. H. Lee, Appl. Opt. 34, 2436 (1995).