An Image Steganography Method Hiding Secret Data into Coefficients of Integer Wavelet Transform Using Pixel Value Differencing Approach

Table 2

Hiding capacity, PSNR, MSE, and index.

Cover; image	Resolution of cover image	Hiding; capacity; (Kb)	% of; hiding; capacity	Message; file size; (Kb)	PSNR	MSE		SSIM
Baboon	256 × 256	19.92	30.65	19.5	39.87	6.684	0.959	0.965
Lena	256 × 256	19.94	30.68	19.5	39.91	6.633	0.899	0.937
Elaine	512 × 512	79.42	30.9	78.7	40.01	6.482	0.890	0.956
Baboon	512 × 512	80.99	30.68	78.7	39.62	7.089	0.961	0.979
Lena	512 × 512	79.47	30.68	78.7	39.84	6.740	0.806	0.953
Tank	512 × 512	79.41	30.9	78.7	39.86	6.700	0.896	0.954
Peppers	512 × 512	79.48	30.22	78.7	40.29	6.074	0.800	0.932
Barbara	512 × 512	80.35	30.55	78.7	39.70	6.961	0.857	0.964
Boat	512 × 512	79.64	30.75	78.7	39.90	6.652	0.883	0.962
Grass	1024 × 1024	319.32	31.15	317	39.51	7.274	0.979	0.998