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Open AccessArticle

Image Encryption Scheme with Compressed Sensing Based on New Three-Dimensional Chaotic System

Electronic Engineering College, Heilongjiang University, Harbin 150080, China
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Entropy 2019, 21(9), 819; https://doi.org/10.3390/e21090819
Received: 15 July 2019 / Revised: 14 August 2019 / Accepted: 14 August 2019 / Published: 22 August 2019
In this paper, a new three-dimensional chaotic system is proposed for image encryption. The core of the encryption algorithm is the combination of chaotic system and compressed sensing, which can complete image encryption and compression at the same time. The Lyapunov exponent, bifurcation diagram and complexity of the new three-dimensional chaotic system are analyzed. The performance analysis shows that the chaotic system has two positive Lyapunov exponents and high complexity. In the encryption scheme, a new chaotic system is used as the measurement matrix for compressed sensing, and Arnold is used to scrambling the image further. The proposed method has better reconfiguration ability in the compressible range of the algorithm compared with other methods. The experimental results show that the proposed encryption scheme has good encryption effect and image compression capability. View Full-Text
Keywords: chaotic system; compressed sensing; measurement matrix; Arnold scrambling chaotic system; compressed sensing; measurement matrix; Arnold scrambling
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Xie, Y.; Yu, J.; Guo, S.; Ding, Q.; Wang, E. Image Encryption Scheme with Compressed Sensing Based on New Three-Dimensional Chaotic System. Entropy 2019, 21, 819.

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