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Optics Express

Optics Express

  • Editor: C. Martijn de Sterke
  • Vol. 15, Iss. 24 — Nov. 26, 2007
  • pp: 16080–16089

Color information processing (coding and synthesis) with fractional Fourier transforms and digital holography

Linfei Chen and Daomu Zhao  »View Author Affiliations


Optics Express, Vol. 15, Issue 24, pp. 16080-16089 (2007)
http://dx.doi.org/10.1364/OE.15.016080


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Abstract

In this paper, we propose a new method for color image coding and synthesis based on fractional Fourier transforms and wavelength multiplexing with digital holography. A color image is divided into three channels and each channel, in which the information is encrypted with different wavelength, fractional orders and random phase masks, is independently encrypted or synthesized. The system parameters are additional keys and this method would improve the security of information encryption. The images are fused or subtracted by phase shifting technique. The possible optical implementations for color image encryption and synthesis are also proposed with some simulation results that show the possibility of the proposed idea.

© 2007 Optical Society of America

OCIS Codes
(070.4560) Fourier optics and signal processing : Data processing by optical means
(100.2000) Image processing : Digital image processing

ToC Category:
Image Processing

History
Original Manuscript: October 1, 2007
Revised Manuscript: November 1, 2007
Manuscript Accepted: November 6, 2007
Published: November 20, 2007

Citation
Linfei Chen and Daomu Zhao, "Color information processing (coding and synthesis) with fractional Fourier transforms and digital holography," Opt. Express 15, 16080-16089 (2007)
http://www.opticsinfobase.org/oe/abstract.cfm?URI=oe-15-24-16080


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