Table 3 Comparison results between Tian's and Alattar's algorithm.
From: Reversible Watermarking Techniques: An Overview and a Classification
Gray-scale Lena | Gray-scale Barbara | ||||
|---|---|---|---|---|---|
| Â | Tian's Alg. | Alattar's Alg. | Â | Tian's Alg. | Alattar's Alg. |
PSNR (dB) | Payload (bits) | Payload (bits) | PSNR (dB) | Payload (bits) | Payload (bits) |
29.4 | 260.018 | 298.872 | 23.6 | 247.629 | 279.756 |
32.5 | 222.042 | 236.318 | 31.2 | 159.000 | 202.120 |
34.8 | 175.984 | 189.468 | 32.8 | 138.621 | 187.288 |
36.2 | 141.493 | 131.588 | 34.1 | 120.997 | 167.986 |
37.7 | 120.619 | 107.416 | 37.4 | 81.219 | 108.608 |
40.1 | 101.089 | 49.588 | 40.2 | 60.577 | 45.500 |
41.6 | 84.066 | 19.108 | 42.8 | 39.941 | 19.384 |