Abstract

A new image encoding and identification scheme is proposed for security verification by us-ing a CGH(computer generated hologram), random phase mask, and a correlation technique. The encrypted image, which is attached to the security product, is made by multiplying a QP- CGH(quadratic phase CGI) with a random phase function. The random phase function plays a key role when the encrypted image is decrypted. The encrypted image can be optically recovered by a 2-f imaging system and automatically verified for personal identification by a 4-f correlation system. Simulation results show the proposed method can be used for both the reconstruction of an original image and the recognition of an encrypted image.

© 2000 Optical Society of Korea

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  1. B. Javidi and J. L. Horner, Opt. Eng. 33, 1752 (1994)
    [Crossref]
  2. P. Refregier and B. Javidi, Opt. Lett. 20, 767 (1995)
    [Crossref]
  3. B. Javidi, Optics & Photonics News, 28 (1997)
  4. R. K. Wang, I. A. Watson, and C. Chatwin, Opt. Eng. 35, 2464 (1996)
    [Crossref]
  5. B. Javidi, proc. SPIE 3386, 14 (1998)
    [Crossref]
  6. T. Nomura, SPIE"s Newsletter, 4 (1998)
  7. C. S. Kim, D. H. Kim. J. W. Kim, J. K. Bae, and S. J. Kim, Journal of IEEK. 32-A, 111 (1995)
  8. J. W. Kim, C. S. Kim, J. K. Bae, Y. H. Doh, and S. J. Kim, Journal of KICS 19, 2364 (1994)

1998 (2)

B. Javidi, proc. SPIE 3386, 14 (1998)
[Crossref]

T. Nomura, SPIE"s Newsletter, 4 (1998)

1997 (1)

B. Javidi, Optics & Photonics News, 28 (1997)

1996 (1)

R. K. Wang, I. A. Watson, and C. Chatwin, Opt. Eng. 35, 2464 (1996)
[Crossref]

1995 (2)

P. Refregier and B. Javidi, Opt. Lett. 20, 767 (1995)
[Crossref]

C. S. Kim, D. H. Kim. J. W. Kim, J. K. Bae, and S. J. Kim, Journal of IEEK. 32-A, 111 (1995)

1994 (2)

J. W. Kim, C. S. Kim, J. K. Bae, Y. H. Doh, and S. J. Kim, Journal of KICS 19, 2364 (1994)

B. Javidi and J. L. Horner, Opt. Eng. 33, 1752 (1994)
[Crossref]

Journal of the Korean Institute of Telematics and Electronics A (1)

C. S. Kim, D. H. Kim. J. W. Kim, J. K. Bae, and S. J. Kim, Journal of IEEK. 32-A, 111 (1995)

Optical Engineering (2)

B. Javidi and J. L. Horner, Opt. Eng. 33, 1752 (1994)
[Crossref]

R. K. Wang, I. A. Watson, and C. Chatwin, Opt. Eng. 35, 2464 (1996)
[Crossref]

Optics & Photonics News (1)

B. Javidi, Optics & Photonics News, 28 (1997)

Optics Letters (1)

P. Refregier and B. Javidi, Opt. Lett. 20, 767 (1995)
[Crossref]

proc. SPIE (1)

B. Javidi, proc. SPIE 3386, 14 (1998)
[Crossref]

SPIE's Newsletter (1)

T. Nomura, SPIE"s Newsletter, 4 (1998)

The Journal of Korea Information and Communications Society (1)

J. W. Kim, C. S. Kim, J. K. Bae, Y. H. Doh, and S. J. Kim, Journal of KICS 19, 2364 (1994)

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