Reversible Information Hiding Algorithm Based on Multikey Encryption

Table 3

SSIM table of Goldhill.

1.2 pt	5 bits	6 bits	7 bits	8 bits	9 bits	10 bits
	1.0000	1.0000	1.0000	1.0000	1.0000	1.0000
	1.0000	1.0000	0.9999	1.0000	1.0000	0.9990
	0.9946	0.9934	0.9909	0.9897	0.9845	0.9806

, , and are the size of each block. 5 bits, 6 bits,…, 10 bits are how much of secret information embedded in each block.