Abstract
In order to solve the security problem of transmission image across public networks, a new image encryption algorithm based on TD-ERCS system and wavelet neural network is proposed in this paper. According to the permutation process and the binary XOR operation from the chaotic series by producing TD-ERCS system and wavelet neural network, it can achieve image encryption. This encryption algorithm is a reversible algorithm, and it can achieve original image in the rule inverse process of encryption algorithm. Finally, through computer simulation, the experiment results show that the new chaotic encryption algorithm based on TD-ERCS system and wavelet neural network is valid and has higher security.
Highlights
With the rapid growth and application of multimedia based on the Internet system, image security becomes an important issue
Many researchers have proposed that TDERCS system is a discrete chaotic system with the steady complexity, and the pseudorandom sequences generated by Tangent-Delay Ellipse Reflecting Cavity-Map System (TD-ERCS) are suitable for use in information encryption [8, 9]
The TD-ERCS system is a highly complex nonlinear dynamic system based on the physical model of ellipse reflecting cavity
Summary
With the rapid growth and application of multimedia based on the Internet system, image security becomes an important issue. Image encryption technique based on chaotic system has more useful and practical applications in the recent years [5, 6]. TD-ERCS system is a new class of discrete chaotic map systems based on the physical model of ellipse reflecting activity. Many researchers have proposed that TDERCS system is a discrete chaotic system with the steady complexity, and the pseudorandom sequences generated by TD-ERCS are suitable for use in information encryption [8, 9]. As ANNs have many important properties, such as massively parallel, highly connected structures consisting of a number of simple and nonlinear processing elements [10], artificial neural networks (ANNs) have already been applied to solve the image encryption.
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