Reversible Data Hiding Based on Multichannel Difference Value Ordering for Color Images

Table 6

Comparison of PSNR (dB) of the embedded images at EC = 10000, 20000 bit.

EC = 10 000 bit
Image	Peng et al. [19]	Ou et al. [20]	He et al. [21]	Wu et al. [24]	Kumal [25]	Proposed color	Proposed red	Proposed green	Proposed blue
Tiffany	58.83	59.48	59.58	58.76	53.82	60.93	61.64	60.43	60.80
Airplane	63.06	63.76	63.85	61.35	56.90	63.16	62.69	64.26	62.70
Lake	58.80	59.66	59.78	58.79	53.97	61.83	60.87	62.42	62.37
Peppers	58.90	59.32	59.41	59.66	54.16	59.92	59.34	60.57	59.92
Baboon	54.71	54.56	53.33	55.01	49.13	—	—	—	—
Splash	62.87	63.45	63.55	63.22	56.32	62.86	62.45	62.72	63.47
Average	59.53	60.04	59.92	59.00	53.36	61.74	61.40	62.08	61.85
EC = 20 000 bit
Tiffany	57.63	57.58	57.32	56.89	52.46	58.24	59.14	57.83	57.88
Airplane	59.86	59.79	59.14	57.85	53.86	60.56	60.12	61.63	60.09
Lake	54.65	54.56	53.64	53.12	50.74	59.06	58.07	59.85	59.45
Peppers	55.32	55.23	54.82	54.42	51.64	56.92	56.28	57.66	56.92
Baboon	—	—	—	—	—	—	—	—	—
Splash	58.23	58.19	57.93	56.22	52.77	59.75	59.24	59.76	60.32
Average	57.13	57.07	56.57	55.70	52.29	58.90	58.57	59.35	58.93