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Journal of Electronic Imaging

Joint image encryption and compression scheme based on a new hyperchaotic system and curvelet transform
Author(s): Miao Zhang; Xiaojun Tong
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Paper 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.

Paper Details

Date Published: 22 July 2017
PDF: 21 pages
J. Electron. Imag. 26(4) 043008 doi: 10.1117/1.JEI.26.4.043008
Published in: Journal of Electronic Imaging Volume 26, Issue 4
Show Author Affiliations
Miao Zhang, Harbin Institute of Technology (China)
Xiaojun Tong, Harbin Institute of Technology (China)


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