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To improve the security performance of color images encrypted, a new color image encryption algorithm based on DNA computation and Chen system is proposed. In the proposed algorithm, the chaotic sequences generated by Chen system are applied to the permutation and confusion phase of image encryption. And the mean value of image pixel of each component of a color image is used as the part of the initial conditions of Chen system, which makes that different original images have different secretdoi:10.1088/1742-6596/1074/1/012096 fatcat:op3ubjxwsjffzcg2vmqwrinpm4