Digital Image Steganography Using LSB Substitution, PVD, and EMD

Table 3

Results of existing techniques.

Images; 512 × 512 × 3	Wu and Tsai [5]				Shen and Huang [23]
	PSNR	Capacity		BPB	PSNR	Capacity		BPB
Lena	43.67	1232606	0.999	1.56	38.01	1223062	0.998	1.55
Baboon	38.40	1403491	0.998	1.78	40.14	1343274	0.999	1.70
Peppers	43.13	1174751	0.999	1.49	41.57	1226139	0.999	1.55
Jet	43.97	1220544	0.999	1.55	43.35	1212350	0.999	1.54
Boat	41.33	1278971	0.999	1.62	41.35	1264742	0.999	1.60
House	41.27	1256404	0.999	1.59	41.75	1242081	0.999	1.57
Pot	44.01	1163700	0.999	1.47	43.38	1195641	0.999	1.52
Average	42.25	1247209	0.999	1.57	41.36	1243898	0.999	1.58