Image scrambling based on chaotic sequences and Veginère cipher

  title={Image scrambling based on chaotic sequences and Vegin{\`e}re cipher},
  author={Shanshan Li and Yinghai Zhao and Bayi Qu and Jiang-an Wang},
  journal={Multimedia Tools and Applications},
Digital image scrambling is commonly used for image data security. This paper proposes an image scrambling algorithm based on chaos theory and Vigenère cipher. The scrambling process is performed on the grey level of each pixel by sorting the chaotic sequence as Vigenère cipher, then the pixel positions are shuffled by accompanied chaotic sequence. The new scheme avoid discretization of chaotic sequence, therefore there is no requirement of probability density function of the chaotic orbits… CONTINUE READING


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