Digital image watermarking using discrete cosine transformation based linear modulation

Journal of Cloud Computing

Advances, Systems and Applications

Table 7 Calculated structural similarity index measure (SSIM) values taking original and watermarked

Image	Parah, et al. [37]		Zeng and Qiu [38]		Ali, et al. [39]		Proposed Approach
	W1	W2	W1	W2	W1	W2	W1	W2
Baboon	0.9964	0.9966	0.9958	0.9961	0.9966	0.9969	0.9967	0.9971
Lena	0.9899	0.9899	0.9905	0.9907	0.9933	0.9925	0.9934	0.9937
Average	0.9919	0.9921	0.9923	0.9927	0.9936	0.9940	0.9937	0.9941