A Novel Printable Watermarking Method in Dithering Halftone Images

Figure 10

The robustness of the proposed method. (a) A 32 × 32 watermark. (b) Embedded dithered image using the proposed method. (c) Embedded dithered image cropped by 1/4 portion. (d) Embedded dithered image with tampering. (e) Downsampled subimages of (c). (f) Downsampled subimages of (d). (g) The watermark extracted from (c). (h) The watermark extracted from (d).

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