A Strong Robust Zero-Watermarking Scheme Based on Shearlets’ High Ability for Capturing Directional Features

Table 9

Seven kinds of attacking style.

	Attacking style
1	Gaussian noise adding (5%)
2	JPEG compression ()
3	Resizing (512-256-512)
4	Median filtering ()
5	Average filtering ()
6	Rotate
7	Histogram Equalization