A Novel Printable Watermarking Method in Dithering Halftone Images

Table 9

Average correct decoding rates of different cropping size.

	Average correct decoding rates
	Guo et al.’s method [12]		Proposed method		Feng et al.’s method [17]
Cropping size	Watermark size
	32 × 32	64 × 64	32 × 32	64 × 64	64 × 64
1/2	50.00%	50.00%	93.98%	91.87%	67.20%
1/3	66.50%	66.55%	94.20%	94.77%	78.25%
1/4	75.00%	75.00%	95.24%	96.05%	83.64%