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Optical Joint Transform Encryption Using Binary Phase Difference Key Mask

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Abstract

This study describes optical encryption based on joint transform correlator architectures using a binary phase difference key mask, designed by discrete sinc function interpolation. The key mask has the required properties of space-limited and phase-mostly spectrum for accurate image recovery. Gray-level image encryption and decryption performance measures are discussed as well.

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Authors and Affiliations

  1. Department of Communications Engineering, Feng Chia University, Taichung, Taiwan, R.O.C.

    Li-Chien Lin, Chien-Ming Wang & Chiung-Liang Chen

  2. Department of Electro-Optical Engineering, National Taipei University of Technology, Taipei 10608, Taiwan, R.O.C.

    Chau-Jern Cheng

Authors
  1. Chau-Jern Cheng
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  2. Li-Chien Lin
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  3. Chien-Ming Wang
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  4. Chiung-Liang Chen
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Corresponding author

Correspondence to Chau-Jern Cheng.

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Cheng, CJ., Lin, LC., Wang, CM. et al. Optical Joint Transform Encryption Using Binary Phase Difference Key Mask. OPT REV 12, 367–371 (2005). https://doi.org/10.1007/s10043-005-0367-5

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  • DOI: https://doi.org/10.1007/s10043-005-0367-5

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