Wireless Communications and Mobile Computing / 2021 / Article / Fig 5

Research Article

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

Figure 5

The original frame and its corresponding geometric attacked frames.
(a) The original frame
(b) Padding (30%)
(c) Cropping (50%)
(d) Scaling (0.5)
(e) Shielding (49%)
(f) Scaling (0.8)+cropping (5%)
(g) Scaling (0.5)+padding (20%)
(h) Scaling (0.5)+shielding (10%)

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