[Retracted] Research on Digital Image Watermarking Algorithm Based on Scrambling and Singular Value Decomposition

Table 2

Comparison results of normalized correlation coefficients of different algorithms.

Aggressive behavior	Paper algorithm	Reference [7] algorithm	Reference [8] algorithm
Noise	0.972	0.825	0.937
Frame loss	0.963	0.867	0.920
Shear	0.946	0.838	0.902
Tampering	0.955	0.857	0.910
Compression	0.955	0.822	0.910