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Optics Letters

Optics Letters

| RAPID, SHORT PUBLICATIONS ON THE LATEST IN OPTICAL DISCOVERIES

  • Editor: Anthony J. Campillo
  • Vol. 32, Iss. 13 — Jul. 1, 2007
  • pp: 1914–1916

Multiple-image hiding in the Fresnel domain

Yishi Shi, Guohai Situ, and Jingjuan Zhang  »View Author Affiliations


Optics Letters, Vol. 32, Issue 13, pp. 1914-1916 (2007)
http://dx.doi.org/10.1364/OL.32.001914


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Abstract

To avoid additive cross-talk among multiple images, they are separated from each other and even from the host image in the hiding and the extraction process by locating them independently in the Fresnel domain with computer-generated double phase-only masks. Gray images and white-ground and black-ground binary images can be hidden in the system at the same time. The hiding capacity of the system as to these three types of multiple image has also been investigated using a cascaded iterative algorithm. The security and the multiplexing parameters of the system are analyzed as well.

© 2007 Optical Society of America

OCIS Codes
(050.1970) Diffraction and gratings : Diffractive optics
(070.2580) Fourier optics and signal processing : Paraxial wave optics
(070.4560) Fourier optics and signal processing : Data processing by optical means
(100.0100) Image processing : Image processing

ToC Category:
Fourier optics and signal processing

History
Original Manuscript: February 9, 2007
Revised Manuscript: April 26, 2007
Manuscript Accepted: May 1, 2007
Published: June 22, 2007

Citation
Yishi Shi, Guohai Situ, and Jingjuan Zhang, "Multiple-image hiding in the Fresnel domain," Opt. Lett. 32, 1914-1916 (2007)
http://www.opticsinfobase.org/ol/abstract.cfm?URI=ol-32-13-1914


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References

  1. I. J. Cox, M. L. Miller, and J. A. Bloom, Digital Watermarking (Morgan Kaufmann, 2002).
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