Medical Image Key Area Protection Scheme Based on QR Code and Reversible Data Hiding

Table 3

Performance comparison.

Images		BPP	PSNR (dB)	SSIM
a	Proposed	0.195	44.48	0.982
	[25]	0.200	51.30	0.983
	[26]	0.350	56.43	N/A
b	Proposed	0.195	42.78	0.986
	[25]	0.352	51.24	0.998
	[26]	0.420	55.05	N/A
c	Proposed	0.500	44.04	0.963
	[25]	0.350	52.50	0.982
	[26]	0.400	55.71	N/A
d	Proposed	0.500	41.67	0.971
	[25]	0.350	52.12	N/A
	[26]	0.470	50.12	N/A
e	Proposed	0.500	40.73	0.970
	[25]	0.350	51.24	N/A
	[26]	0.320	56.90	N/A
f	Proposed	0.500	40.59	0.960
	[25]	N/A	N/A	N/A
	[26]	0.490	51.05	N/A