Reversible Data Hiding with Pixel Prediction and Additive Homomorphism for Encrypted Image

Table 3

Embedding rates and PSNR of the directly decrypted images with r=1.

Image		Lena	Airplane	Barbara	Baboon	Peppers	Boats	Man	Tiffany
tau		10410	10042	9587	27066	20310	10721	11374	23430
t1		3470	3347	3196	9022	6770	3574	3791	7810
t2		114	237	388	194	398	10	305	382
t3		2533	2533	2536	2500	2515	2533	2533	2509
t4		1093	1099	1308	3041	2209	1099	1162	2615
EC	bit	244524	254928	254716	247387	250252	254928	254353	248828
	bpp	0.9725	0.9724	0.9716	0.9437	0.9546	0.9724	0.9702	0.9492
PSNR(dB)		30.6759	32.3934	28.458	23.2063	32.1131	32.3676	30.2753	30.7629