Research Article

Reversible Information Hiding Algorithm Based on Multikey Encryption

Table 5

SSIM table of Barbara.

1.2 pt5 bits6 bits7 bits8 bits9 bits10 bits

0.99990.99990.99930.99930.99820.9978
0.99870.99730.99600.99590.99000.9860
0.99530.99360.98940.98400.97000.9636

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