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A Reversible Steganography Scheme of Secret Image Sharing Based on Cellular Automata and Least Significant Bits Construction

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  • Wei-Tong Hu
  • Ming-Chu Li
  • Cheng Guo
  • Li-Feng Yuan

Abstract

Secret image sharing schemes have been extensively studied by far. However, there are just a few schemes that can restore both the secret image and the cover image losslessly. These schemes have one or more defects in the following aspects: (1) high computation cost; (2) overflow issue existing when modulus operation is used to restore the cover image and the secret image; (3) part of the cover image being severely modified and the stego images having worse visual quality. In this paper, we combine the methods of least significant bits construction (LSBC) and dynamic embedding with one-dimensional cellular automata to propose a new lossless scheme which solves the above issues and can resist differential attack and support parallel computing. Experimental results also show that this scheme has the merit of big embedding capacity.

Suggested Citation

  • Wei-Tong Hu & Ming-Chu Li & Cheng Guo & Li-Feng Yuan, 2015. "A Reversible Steganography Scheme of Secret Image Sharing Based on Cellular Automata and Least Significant Bits Construction," Mathematical Problems in Engineering, Hindawi, vol. 2015, pages 1-11, April.
    • Handle: RePEc:hin:jnlmpe:849768
    DOI: 10.1155/2015/849768
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