Double Random Phase Encryption using Orthogonal Encoding for Multiple-Image Transmission

  • Lee, In-Ho (Department of Electrical, Electronic, and Control Engineering, IITC, Hankyong National University) ;
  • Cho, Myungjin (Department of Electrical, Electronic, and Control Engineering, IITC, Hankyong National University)
  • Received : 2014.05.09
  • Accepted : 2014.06.10
  • Published : 2014.06.25


In this paper we extend double random phase encryption (DRPE) using orthogonal encoding from single-image transmission to multiple-image transmission. The orthogonal encoding for multiple images employs a larger Hadamard matrix than that for a single image, which can improve security. We provide a scheme for DRPE with an orthogonal codec, and a method for orthogonal encoding/decoding for multiple-image transmission. Finally, simulation results verify that the DRPE using orthogonal encoding for multiple images is more secure than both the conventional DRPE and the DRPE using orthogonal encoding for a single image.


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