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Applied Optics

Applied Optics

APPLICATIONS-CENTERED RESEARCH IN OPTICS

  • Editor: Joseph N. Mait
  • Vol. 51, Iss. 25 — Sep. 1, 2012
  • pp: 6076–6083

Interference-based optical image encryption using three-dimensional phase retrieval

Wen Chen and Xudong Chen  »View Author Affiliations


Applied Optics, Vol. 51, Issue 25, pp. 6076-6083 (2012)
http://dx.doi.org/10.1364/AO.51.006076


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Abstract

In recent years, optical image encryption has attracted more and more attention in information security due to its unique advantages, such as parallel processing and multiple-parameter characteristics. In this paper, we propose a new method using three-dimensional (3D) processing strategy for interference-based optical image encryption. The plaintext is considered as a series of particles distributed in 3D space, and any one sectional extraction cannot render information about the plaintext during image decryption. In addition, the silhouette problem in the conventional interference-based optical encryption method is effectively suppressed, and the proposed optical cryptosystem can achieve higher security compared with the previous work. A numerical experiment is conducted to demonstrate the feasibility and effectiveness of the proposed method.

© 2012 Optical Society of America

OCIS Codes
(100.2000) Image processing : Digital image processing
(100.5070) Image processing : Phase retrieval
(100.6890) Image processing : Three-dimensional image processing
(100.4998) Image processing : Pattern recognition, optical security and encryption

ToC Category:
Image Processing

History
Original Manuscript: May 30, 2012
Revised Manuscript: July 26, 2012
Manuscript Accepted: August 1, 2012
Published: August 27, 2012

Citation
Wen Chen and Xudong Chen, "Interference-based optical image encryption using three-dimensional phase retrieval," Appl. Opt. 51, 6076-6083 (2012)
http://www.opticsinfobase.org/ao/abstract.cfm?URI=ao-51-25-6076

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