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Virtual Journal for Biomedical Optics

Virtual Journal for Biomedical Optics

| EXPLORING THE INTERFACE OF LIGHT AND BIOMEDICINE

  • Editors: Andrew Dunn and Anthony Durkin
  • Vol. 6, Iss. 3 — Mar. 18, 2011

Image hiding in Fourier domain by use of joint transform correlator architecture and holographic technique

Xiaoyan Shi and Daomu Zhao  »View Author Affiliations


Applied Optics, Vol. 50, Issue 5, pp. 766-772 (2011)
http://dx.doi.org/10.1364/AO.50.000766


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Abstract

Based on joint transform correlator (JTC) architecture and holographic techniques, a new method for image hiding is presented. A hidden image encrypted by JTC architecture is embedded in the Fourier hologram of the host image. Inverse Fourier transform can be used to obtain the watermarked image, and JTC architecture is used to decode the hidden image from the watermarked hologram. Unlike other watermarking techniques, by prechoosing information, the noise added to the recovered hidden image by the host can be reduced. Unlike other watermarking systems based on double random-phase encoding, no conjugate key is used to recover the hidden image. Theoretical analyses have shown the system’s feasibility. Computer simulations are presented to verify the system’s validity and efficiency. Numerical simulations also show that the proposed system is robust enough to resist attacks, such as occlusion, noise, and filtering.

© 2011 Optical Society of America

OCIS Codes
(070.0070) Fourier optics and signal processing : Fourier optics and signal processing
(100.2000) Image processing : Digital image processing
(090.1995) Holography : Digital holography

ToC Category:
Fourier Optics and Signal Processing

History
Original Manuscript: September 14, 2010
Revised Manuscript: December 19, 2010
Manuscript Accepted: December 19, 2010
Published: February 9, 2011

Virtual Issues
Vol. 6, Iss. 3 Virtual Journal for Biomedical Optics

Citation
Xiaoyan Shi and Daomu Zhao, "Image hiding in Fourier domain by use of joint transform correlator architecture and holographic technique," Appl. Opt. 50, 766-772 (2011)
http://www.opticsinfobase.org/vjbo/abstract.cfm?URI=ao-50-5-766


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