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

Table 3

The comparisons of the robustness against geometric attacks between two algorithms.

Attack types	Parameters	Proposed (%)	TFPA (%)
Padding	30%	0	0
	40%	0	0
	50%	0	0
Cropping	40%	0	0
	50%	0	0
	60%	0	0
	0.4	36	62
Scaling	0.5	2	4
	1.5	1	0
	25%	0	0
Shielding	36%	0	0
	49%	0	1
Scaling & cropping	0.8 & 5%	2	9
	0.8 & 10%	2	9
	0.8 & 20%	2	5
	0.8 & 30%	1	8
Scaling & padding	0.4 & 2%	79	86
	0.4 & 5%	79	86
	0.4 & 7%	88	88
	0.4 & 10%	89	93
Scaling & shielding	0.5 & 5%	1	7
	0.5 & 10%	5	8
	0.4 & 5%	50	74
	0.4 & 10%	56	76