Joint image encryption and compression scheme based on a new hyperchaotic system and curvelet transform

Miao Zhang; Xiaojun Tong

doi:10.1117/1.JEI.26.4.043008

22 July 2017 Joint image encryption and compression scheme based on a new hyperchaotic system and curvelet transform

Miao Zhang, Xiaojun Tong

Author Affiliations +

Journal of Electronic Imaging, Vol. 26, Issue 4, 043008 (July 2017). https://doi.org/10.1117/1.JEI.26.4.043008

Abstract

This paper proposes a joint image encryption and compression scheme based on a new hyperchaotic system and curvelet transform. A new five-dimensional hyperchaotic system based on the Rabinovich system is presented. By means of the proposed hyperchaotic system, a new pseudorandom key stream generator is constructed. The algorithm adopts diffusion and confusion structure to perform encryption, which is based on the key stream generator and the proposed hyperchaotic system. The key sequence used for image encryption is relation to plain text. By means of the second generation curvelet transform, run-length coding, and Huffman coding, the image data are compressed. The joint operation of compression and encryption in a single process is performed. The security test results indicate the proposed methods have high security and good compression effect.

Citation Download Citation

Miao Zhang and Xiaojun Tong "Joint image encryption and compression scheme based on a new hyperchaotic system and curvelet transform," Journal of Electronic Imaging 26(4), 043008 (22 July 2017). https://doi.org/10.1117/1.JEI.26.4.043008

Received: 28 December 2016; Accepted: 27 June 2017; Published: 22 July 2017

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