Reversible Watermarking for Error Diffused Halftone Images Using Statistical Features

  • Zhe-Ming Lu
  • Hao Luo
  • Jeng-Shyang Pan
Part of the Lecture Notes in Computer Science book series (LNCS, volume 4283)

Abstract

This paper proposes a reversible watermarking scheme for error diffused halftone images. It exploits statistical features of 2×2 binary patterns in halftone images to embed data. According to a small look-up table constructed in advance, a state sequence is extracted and losslessly compressed, and the saved space is filled up with the watermark and some side information. We modulate the extracted state sequence into a new concatenated sequence by similar pair toggling, and meanwhile the watermark and the LUT are embedded. The proposed scheme can provide a considerable capacity and the original image can be recovered if its watermarked version is intact.

Keywords

reversible watermarking halftone image statistical features 

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Copyright information

© Springer-Verlag Berlin Heidelberg 2006

Authors and Affiliations

  • Zhe-Ming Lu
    • 1
  • Hao Luo
    • 1
    • 2
  • Jeng-Shyang Pan
    • 2
  1. 1.Visual Information Analysis and Processing Research Center, Harbin Institute of Technology Shenzhen Graduate SchoolShenzhenP.R. China
  2. 2.Department of Electronic EngineeringKaohsiung University of Applied SciencesKaohsiungTaiwan, ROC

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