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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: James C. Wyant
  • Vol. 46, Iss. 31 — Nov. 1, 2007
  • pp: 7662–7669

Experimental demonstration of kinogram-based single-phase decryption technique for information security

Tien Viet Vu, Nam Kim, Jun-Won An, and Sung-Back Hong  »View Author Affiliations


Applied Optics, Vol. 46, Issue 31, pp. 7662-7669 (2007)
http://dx.doi.org/10.1364/AO.46.007662


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Abstract

The kinogram-based single-phase decryption technique is experimentally demonstrated. Only one phase spatial light modulator is used to simultaneously display the encrypted information and the decrypting key. The intensity decrypted image is obtained by Fourier transforming the phase decrypted information. We investigate the effect of the binary and multiphase keys on the security level of the encrypted information. The accepted displacement of the decrypting key within the system is determined. The influence of the optical system bandwidth and noise on the decryption quality is also investigated.

© 2007 Optical Society of America

OCIS Codes
(070.2580) Fourier optics and signal processing : Paraxial wave optics
(100.1390) Image processing : Binary phase-only filters
(100.5090) Image processing : Phase-only filters
(230.6120) Optical devices : Spatial light modulators

ToC Category:
Image Processing

History
Original Manuscript: May 23, 2007
Revised Manuscript: August 10, 2007
Manuscript Accepted: August 13, 2007
Published: October 25, 2007

Citation
Tien Viet Vu, Nam Kim, Jun-Won An, and Sung-Back Hong, "Experimental demonstration of kinogram-based single-phase decryption technique for information security," Appl. Opt. 46, 7662-7669 (2007)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-46-31-7662

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