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. © Springer-Verlag Berlin Heidelberg 2006.
CITATION STYLE
Lu, Z. M., Luo, H., & Pan, J. S. (2006). Reversible watermarking for error diffused halftone images using statistical features. In Lecture Notes in Computer Science (including subseries Lecture Notes in Artificial Intelligence and Lecture Notes in Bioinformatics) (Vol. 4283 LNCS, pp. 71–81). Springer Verlag. https://doi.org/10.1007/11922841_7
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