Adaptive PVD Steganography Using Horizontal, Vertical, and Diagonal Edges in Six-Pixel Blocks

Table 2

Results of proposed technique.

Images; 512 × 512	Proposed 2 × 3-pixel block adaptive PVD				Proposed 3 × 2-pixel block adaptive PVD
	PSNR	Capacity		BPB	PSNR	Capacity		BPB
Lena	50.89	1445784	0.999	1.83	50.61	1425521	0.999	1.81
Baboon	52.29	1532417	0.999	1.94	52.36	1527208	0.999	1.94
Peppers	51.29	1418101	0.999	1.80	51.22	1409621	0.999	1.79
Jet	50.65	1381432	0.999	1.75	50.77	1362765	0.999	1.73
Boat	51.42	1479835	0.999	1.88	51.43	1474106	0.999	1.88
House	49.09	1431346	0.999	1.82	49.18	1429845	0.999	1.82
Tiffany	50.88	1430606	0.999	1.81	50.95	1420300	0.999	1.81
Average	50.93	1445645	0.999	1.83	50.93	1435623	0.999	1.82