Research Article
A Novel Printable Watermarking Method in Dithering Halftone Images
Figure 11
The robustness of Guo et al.’s method [12]. (a) Embedded dithered image using Guo et al.’s method. (b) Embedded dithered image cropped by 1/4 portion. (c) Embedded dithered image with tampering. (d) The result of applying bit-interleaving to each subimage of (b). (e) The result of applying bit-interleaving to each subimage of (c). (f) The watermark extracted from (b). (g) The watermark extracted from (c).
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