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Research on the algorithm of three-dimensional information encryption based on the phase extraction

Xiao Jun Shi Yi-Shi Wang Ya-Li Yang Yu-Hua

Research on the algorithm of three-dimensional information encryption based on the phase extraction

Xiao Jun, Shi Yi-Shi, Wang Ya-Li, Yang Yu-Hua,
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  • Abstract views:  3332
  • PDF Downloads:  803
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  • Received Date:  05 May 2010
  • Accepted Date:  27 May 2010
  • Published Online:  15 March 2011

Research on the algorithm of three-dimensional information encryption based on the phase extraction

  • 1. (1)College of Applied Science, Beijing University of Technology, Beijing 100124, China; (2)Graduate University of the Chinese Academy of Sciences, Beijing 100049, China

Abstract: The algorithm for three-dimensional information encryption based on the phase extraction is proposed. The three-dimensional information with the pure amplitude and pure phase are constructed as the encryption target. First, the complex amplitude of the three-dimensional information is calculated under the scalar diffraction theory. Then its phase distribution is extracted independently and it is encrypted with the double random phase encoding. The decryption algorithm is just the inverse process as the above. Computer simulations demonstrate the feasibility, the robustness and the security of the algorithm. Further, it is revealed the potential of applying the algorithm for the three-dimensional information encryption with much larger information quantity.

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