General Framework of Reversible Watermarking Based on Asymmetric Histogram Shifting of Prediction Error

Table 3

Analysis of the restored and embedded effect of double, complementary strategy.

Cover images	Tsai’s (1-EP)		ME		Tsai’s (2-EP)		DE
	EC	PSNR	EC	PSNR	EC	PSNR	EC	PSNR
Peppers	16246	51.70	19809	52.21	31986	48.99	36892	49.56
Lena	20126	51.68	24844	51.74	38764	49.06	45613	50.68
Elaine	13716	51.67	14819	53.90	25371	48.92	28312	50.01
Boat	21442	51.66	26531	52.63	41136	48.91	34079	50.99
Baboon	6394	51.72	8176	52.05	12588	48.76	15807	50.33
Jet	58365	51.70	64818	53.77	60728	49.29	78643	52.06
Average	22715	51.69	26500	52.72	35096	48.99	39891	50.61