DOI QR코드

DOI QR Code

Joint-transform Correlator Multiple-image Encryption System Based on Quick-response Code Key

Chen, Qi;Shen, Xueju;Cheng, Yue;Huang, Fuyu;Lin, Chao;Liu, HeXiong

  • Received : 2019.04.15
  • Accepted : 2019.06.22
  • Published : 2019.08.25

Abstract

A method for joint-transform correlator (JTC) multiple-image encryption based on a quick-response (QR) code key is proposed. The QR codes converted from different texts are used as key masks to encrypt and decrypt multiple images. Not only can Chinese text and English text be used as key text, but also symbols can be used. With this method, users have no need to transmit the whole key mask; they only need to transmit the text that is used to generate the key. The correlation coefficient is introduced to evaluate the decryption performance of our proposed cryptosystem, and we explore the sensitivity of the key mask and the capability for multiple-image encryption. Robustness analysis is also conducted in this paper. Computer simulations and experimental results verify the correctness of this method.

Keywords

Optical information security;Multiple-image encryption;QR code key;JTC encryption system

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