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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 48, Iss. 31 — Nov. 1, 2009
  • pp: 5933–5947

Double random phase encryption scheme to multiplex and simultaneous encode multiple images

Ayman Alfalou and Ali Mansour  »View Author Affiliations


Applied Optics, Vol. 48, Issue 31, pp. 5933-5947 (2009)
http://dx.doi.org/10.1364/AO.48.005933


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Abstract

Here we present a new approach of multiplexing and simultaneous encoding of target images. Our approach can enhance the encryption level of a classical double random phase (DRP) encryption system by adding a supplementary security layer. The new approach can be divided into two security layers. The first layer is called the multiplexing level, which consists in using iterative Fourier transformations along with several encryption key images. These latter can be a set of biometric images. At the second layer, we use a classical DRP system. The two layers enable us to encode several target images (multi-encryption) and to reduce, at the same time, the requested decoded information (transmitted or storage information).

© 2009 Optical Society of America

OCIS Codes
(070.0070) Fourier optics and signal processing : Fourier optics and signal processing
(070.4560) Fourier optics and signal processing : Data processing by optical means
(100.2000) Image processing : Digital image processing
(200.4560) Optics in computing : Optical data processing

ToC Category:
Fourier Optics and Signal Processing

History
Original Manuscript: March 24, 2009
Revised Manuscript: September 4, 2009
Manuscript Accepted: September 18, 2009
Published: October 22, 2009

Citation
Ayman Alfalou and Ali Mansour, "Double random phase encryption scheme to multiplex and simultaneous encode multiple images," Appl. Opt. 48, 5933-5947 (2009)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-48-31-5933

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