Table 2: Average of NC for “S” coefficients in first and second level of SVD for 9 images 10241024.

Attacks Gaussian 0.01Gamma correction 0.1AVG filter 33Crop 1/4S&P  
0.01
Scaling 1/2Speckle 0.01Median 33Rot 50

0.97020.99860.97040.99590.970410.97050.97030.9887
0.95870.98750.95220.99350.96020.99840.95960.95550.9878