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

Table 2

The PSNR (dB) of different channels in color image.

	PSNR (EC = 5000 bit)				Average PSNR (EC = 5 000-20 000 bit)
Image	Color	Red	Green	Blue	Color	Red	Green	Blue
Tiffany	63.96	64.45	63.48	64.00	60.41	61.16	59.94	60.23
Airplane	65.66	65.16	66.73	65.27	62.61	62.15	63.71	62.16
Lake	63.82	62.78	64.35	64.55	61.16	60.18	61.81	61.67
Pepper	62.85	62.27	63.59	62.81	59.34	58.73	60.03	59.35
Baboon	60.98	60.25	62.33	60.63	60.08	59.42	61.38	59.67
Splash	65.91	65.53	65.77	66.48	62.16	61.68	62.12	62.75
Average	63.86	63.41	64.38	63.96	60.96	60.55	61.50	60.97