Table 2 Watermarking mask extraction in the presence of attacks. The highest attack strength survived by the mask detection is given.
From: An Efficient Watermarking Technique for the Protection of Fingerprint Images
Database | WSQ | AWGN | Mean filtering | |||
|---|---|---|---|---|---|---|
| Â | Bit rate (bpp) | PSNR | SNR (dB) | PSNR |
Kernel size
| PSNR |
DB1 | 0.50 | 32.72 | 25 | 25.70 |
| 23.87 |
DB2 | 0.50 | 25.67 | 22 | 26.20 |
| 20.23 |
DB3 | 1 | 21.51 | 25 | 31.71 |
| 12.71 |
