A Novel Printable Watermarking Method in Dithering Halftone Images

Table 2

The black pixel numbers in eight pairs of the top-left subimage in Figure 4(c).

Pairs	The number of black pixels
	(, )	0	18
(, )	0	32
(, )	10	35
(, )	16	44
(, )	53	64
(, )	54	64
(, )	58	64
(, )	60	64