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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Alan E. Willner
  • Vol. 33, Iss. 6 — Mar. 15, 2008
  • pp: 581–583

Optical image encryption based on the multiple-parameter fractional Fourier transform

Ran Tao, Jun Lang, and Yue Wang  »View Author Affiliations


Optics Letters, Vol. 33, Issue 6, pp. 581-583 (2008)
http://dx.doi.org/10.1364/OL.33.000581


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Abstract

A novel image encryption algorithm is proposed based on the multiple-parameter fractional Fourier transform, which is a generalized fractional Fourier transform, without the use of phase keys. The image is encrypted simply by performing a multiple-parameter fractional Fourier transform with four keys. Optical implementation is suggested. The method has been compared with existing methods and shows superior robustness to blind decryption.

© 2008 Optical Society of America

OCIS Codes
(070.6020) Fourier optics and signal processing : Continuous optical signal processing
(200.3050) Optics in computing : Information processing
(070.2575) Fourier optics and signal processing : Fractional Fourier transforms

ToC Category:
Fourier Optics and Signal Processing

History
Original Manuscript: November 5, 2007
Revised Manuscript: December 28, 2007
Manuscript Accepted: January 18, 2008
Published: March 12, 2008

Citation
Ran Tao, Jun Lang, and Yue Wang, "Optical image encryption based on the multiple-parameter fractional Fourier transform," Opt. Lett. 33, 581-583 (2008)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-33-6-581

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