Table 1 BCR values of the proposed DWT-DCT technique under noise addition attacks
From: Blind image watermarking technique based on differential embedding in DWT and DCT domains
Attack | Image | ||||
|---|---|---|---|---|---|
Baboon | Bridge | Jetplane | Peppers | Pirate | |
Gaussian noise | 98.8 | 99.1 | 98.5 | 98.9 | 98.3 |
(var = 0.005) | |||||
Gaussian noise | 93.5 | 93.4 | 93.7 | 93.6 | 94.1 |
(var = 0.01) | |||||
Salt and pepper | 99.9 | 99.7 | 99.7 | 99.4 | 99.8 |
noise (var = 0.01) | |||||
Salt and pepper | 98.1 | 97.7 | 97.2 | 97.1 | 97.5 |
noise (var = 0.02) | |||||
Speckle noise | 99.9 | 100 | 98.4 | 100 | 100 |
(var = 0.01) | |||||
Speckle noise | 98.2 | 98.4 | 93.5 | 98.8 | 99.2 |
(var = 0.02) | |||||