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This paper presents a digital image encryption algorithm based on bit-planes and an improved logistic map. First, a chaotic sequence, which is generated by the improved logistic map, scrambles the pixels of the original image. Second, the scrambled image is split into a high 4-bit matrix and a low 4-bit matrix. The low 4-bit matrix is then introduced into the improved logistic model to generate a...
In order to realize the scrambling aim of combination of pixels position substitution and the pixels values change, and moreover, in order to make up this deficiency which the low security of image encryption using one-dimensional chaotic system to encrypt digital image, a digital image encryption algorithm based on bit plane scrambling and multiple chaotic systems combination is proposed. Firstly,...
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