Enhancing Feature Point-Based Video Watermarking against Geometric Attacks with Template

Table 2

The comparisons of the robustness against geometric attacks between two different strategies.

Attack types	Parameters	Proposed (%)	TTWAS (%)
Padding	30%	0	-
	40%	0	-
	50%	0	-
Cropping	40%	0	-
	50%	0	-
	60%	0	-
	0.4	36	-
Scaling	0.5	2	-
	1.5	1	-
	25%	0	-
Shielding	36%	0	-
	49%	0	-
Scaling & cropping	0.8 & 5%	2	-
	0.8 & 10%	2	-
	0.8 & 20%	2	-
	0.8 & 30%	1	-
Scaling & padding	0.4 & 2%	79	-
	0.4 & 5%	79	-
	0.4 & 7%	88	-
	0.4 & 10%	89	-
Scaling & shielding	0.5 & 5%	1	-
	0.5 & 10%	5	-
	0.4 & 5%	50	-
	0.4 & 10%	56	-