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Image encryption scheme using chaos and simulated annealing algorithm
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DOI：10.1007/s11071-015-2579-y.png)
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摘要
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In this paper, we proposed a novel image encryption scheme based on chaos and simulated annealing algorithm. The proposed algorithm considers the generation of random sequence as a problem seeking for optimal solution and then uses the simulated annealing algorithm to further obtain the optimal pseudorandom sequences. Chaos has been combined together with it for the confusion and diffusion. The target objects to be processed of this article are general grayscale images with no other restrictions. Many tests have been done to check the effect against a variety of attacks, and results of experiments and analysis present that the proposed algorithm has good feature of security. It is able to resist common attacks. So our scheme is secure enough for image encryption.
Keyword:
Image encryption
Simulated annealing
Intertwining logistic map
Piecewise linear chaotic map (PWLCM)
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