Visible Watermarking Technique Based on Human Visual System for Single Sensor Digital Cameras

Table 4

Comparison of watermark visibility using objective assessment based on PSNR.

Natural images	PSNR (dB)
	Lukac’s method [13]	Yu’s method [14]	Proposed method
Figure 5(c)	15.07	15.08	15.96
Figure 5(d)	11.49	11.72	12.40