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Reversible Data Hiding Based on Multi-Dimension Difference-Histogram and Bilinear Interpolation

Author

Listed:
  • Yi-Chun Lin

    (National Taichung University of Science and Technology, Taichung, Taiwan)

  • Hsien-Chu Wu

    (National Taichung University of Science and Technology, Taichung, Taiwan)

Abstract

A new difference-histogram modification Reversible Data Hiding (RDH) scheme by using bilinear interpolation prediction is proposed in this paper. First, the proposed method considers each neighboring pixels x and y to predict z by bilinear interpolation on four pixels which are near to pixel-pairs x and y. Then, according to d1 = x−y,d2 = y−zy, and d3 = z−zx, a new coordinate system (d1,d2,d3) is generated. In this three-dimensional coordinate, the proposed method uses six quadrants to embed secret information: points on the specified surface are used for embedding and the extending space surrounded the embedded surfaces are used for shifting. Finally, a new multi-dimension difference-pair-mapping is used to implement the reversible data embedding. Therefore, more embedding conditions are obtained, thereby increase the number of embedded pixels and get more embedding capacity.

Suggested Citation

  • Yi-Chun Lin & Hsien-Chu Wu, 2019. "Reversible Data Hiding Based on Multi-Dimension Difference-Histogram and Bilinear Interpolation," International Journal of Technology and Engineering Studies, PROF.IR.DR.Mohid Jailani Mohd Nor, vol. 5(2), pages 62-70.
    • Handle: RePEc:apa:ijtess:2019:p:62-70
    DOI: 10.20469/ijtes.5.10005-2
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