Table 2 BCR values of the proposed DWT-DCT technique under low-pass filtering attacks
From: Blind image watermarking technique based on differential embedding in DWT and DCT domains
Attack | Image | ||||
|---|---|---|---|---|---|
Baboon | Bridge | Jetplane | Peppers | Pirate | |
Average filter | 99.7 | 100 | 100 | 100 | 100 |
(3 ×3) | |||||
Gaussian filter | 90.4 | 91.2 | 93.3 | 88.8 | 92.5 |
(5 ×5) var = 1.5 | |||||
Gaussian filter | 99.8 | 99.9 | 99.9 | 99.6 | 100 |
(5 ×5) var = 1 | |||||
Median filter | 97.9 | 99.6 | 99.9 | 99.8 | 100 |
(3 ×3) | |||||
Wiener filter | 99.6 | 99.9 | 99.9 | 99.9 | 99.9 |
(3 ×3) | |||||