Table 3 Comparisons of the schemes under two modifying artifacts
From: Quantization-based image authentication scheme using QR error correction
Test images | Yang and Shen’s scheme [18] | The proposed scheme | ||
|---|---|---|---|---|
Authenticated image (dB) | Recovered image (dB) | Authenticated image (dB) | Recovered image (dB) | |
Baboon | 43.45 | 36.00 | 51.11 | 37.64 |
Cameraman | 42.88 | 41.07 | 51.15 | 47.15 |
Chart | 42.08 | 34.13 | 50.78 | 37.55 |
Lena | 43.24 | 42.09 | 51.39 | 47.11 |
Pepper | 43.13 | 41.86 | 51.09 | 37.44 |
Sailboat | 44.14 | 39.79 | 50.98 | 43.88 |
Average | 43.15 | 39.16 | 51.08 | 41.80 |