Research Article

A Novel Printable Watermarking Method in Dithering Halftone Images

Table 5

Quality comparisons of various algorithms with 64 × 64 watermark bits embedded in Figure 8(a).

AlgorithmGuo et al.’s method [12]Proposed methodFeng et al.’s method [17]

Pei-Guo-PSNR28.6830.1715.15
1.431.073.86
184720154592