Look-up Table Based Reversible Data Hiding for Error Diffused Halftone Images

Authors:
Jeng-Shyang Pan;Hao Luo;Zhe-Ming Lu
Affiliations:
Department of Electronic Engineering, National Kaohsiung University of Applied Sciences, 415 Chien-Kung Road, Kaohsiung 807, Taiwan, ROC, e-mail: jspan@cc.kuas.edu.tw;Dept. of Electr. Eng., Natl. Kaohsiung Univ. of Appl. Sci., Taiwan, ROC and Dept. of Automatic Test and Control, Harbin Inst. of Technol., P. R. China, e-mail: luohao723@hotmail.com, hluo@bit.kuas ...;Visual Information Analysis and Processing Research Center, Harbin Institute of Technology, Shenzhen Graduate School, Shenzhen Xili Univ. Town, Shenzhen, 518055, P. R. China, e-mail: zhemingl@yaho ...
Venue:
Informatica
Year:
2007

Citing 4
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Watermarking in halftone images with parity-matched error diffusion

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Abstract

This paper proposes a reversible data hiding method for error diffused halftone images. It employs statistics feature of pixel block patterns to embed data, and utilizes the HVS characteristics to reduce the introduced visual distortion. The watermarked halftone image can be perfectly recovered if it is intact, only a secret key is required. The method is suitable for the applications where the content accuracy of the original halftone image must be guaranteed, and it is easily extended to the field of halftone image authentication.