Research Article

Reversible Information Hiding Algorithm Based on Multikey Encryption

Table 4

SSIM table of Baboon.

1.2 pt5 bits6 bits7 bits8 bits9 bits10 bits

1.00001.00001.00001.00000.99960.9996
0.99940.99930.99860.99710.99450.9905
0.98190.97210.95730.94030.91930.8950

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