Research Article

Construction of New S-Box Using Action of Quotient of the Modular Group for Multimedia Security

Table 9

Statistical analyses of the host image and watermarked image.

StatisticalLenaPepperBaboon
HostWatermarkedHostWatermarkedHostWatermarked

Homogeneity0.86530.86280.93170.93170.78440.7836
Contrast0.41440.41910.22190.22140.61550.6191
Energy0.09440.09360.15560.15600.06520.0653
Entropy0.58540.58590.78520.78560.69600.6960
Correlation0.94440.94370.94840.94880.89940.8987