Table 2 Biometric signal retrieval results for the stego-object of Figure 4(e), under different combinations of compression ratios and BERs.
From: Video-Object Oriented Biometrics Hiding for User Authentication under Error-Prone Transmissions
Initial fingerprint | JPEG compression | Factor | BER1 (3×10-4) | BER2 (1×10-3) | BER3 (3×10-3) |
|---|---|---|---|---|---|
| Â | Â | PSNR (dB) | 39.1 | 37.3 | 35.4 |
| Ratio: 2.6 | Retrieved fingerprint |
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| Â | Â | PSNR (dB) | 36.9 | 35.3 | 33.9 |
| Â | Ratio: 5.1 | Retrieved fingerprint |
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