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Journal of the Optical Society of Korea

Journal of the Optical Society of Korea

| PUBLISHED BY THE OPTICAL SOCIETY OF KOREA

  • Vol. 18, Iss. 2 — Apr. 1, 2014
  • pp: 129–133

Double Random Phase Encryption Based Orthogonal Encoding Technique for Color Images

In-Ho Lee and Myungjin Cho  »View Author Affiliations


Journal of the Optical Society of Korea, Vol. 18, Issue 2, pp. 129-133 (2014)


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Abstract

In this paper, we propose a simple Double random phase encryption (DRPE)-based orthogonal encoding technique for color image encryption. In the proposed orthogonal encoding technique, a color image is decomposed into red, green, and blue components before encryption, and the three components are independently encrypted with DRPE using the same key in order to decrease the complexity of encryption and decryption. Then, the encrypted data are encoded with a Hadamard matrix that has the orthogonal property. The purpose of the proposed orthogonal encoding technique is to improve the security of DRPE using the same key at the cost of a little complexity. The proposed orthogonal encoder consists of simple linear operations, so that it is easy to implement. We also provide the simulation results in order to show the effects of the proposed orthogonal encoding technique.

© 2014 Optical Society of Korea

OCIS Codes
(200.4560) Optics in computing : Optical data processing
(060.4785) Fiber optics and optical communications : Optical security and encryption

History
Original Manuscript: March 11, 2014
Revised Manuscript: March 20, 2014
Manuscript Accepted: March 27, 2014
Published: April 25, 2014

Citation
In-Ho Lee and Myungjin Cho, "Double Random Phase Encryption Based Orthogonal Encoding Technique for Color Images," J. Opt. Soc. Korea 18, 129-133 (2014)
http://www.opticsinfobase.org/josk/abstract.cfm?URI=josk-18-2-129


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