A Novel Printable Watermarking Method in Dithering Halftone Images

Figure 8

Visual quality comparison with 128 embedding bits when . (a) Original dithered image. (b) Embedded dithered image using Guo et al.’s method [12]. (c) Embedded dithered image using Hagit’s method [13]. (d) Embedded dithered image using the proposed method. (e) Enlarged partial image of (a). (f) Enlarged partial image of (b). (g) Enlarged partial image of (c). (h) Enlarged partial image of (d).

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