Research Article
A Robust Watermarking Scheme Based on Maximum Wavelet Coefficient Modification and Optimal Threshold Technique
Table 1
Embedding strength versus PSNR and SSIM.
| | 10 | 20 | 30 | 40 | 50 | 60 | 70 | 80 |
| | PSNR (dB) | 48.75 | 46.57 | 45.18 | 44.23 | 43.19 | 42.17 | 41.81 | 41.79 | | SSIM | 0.99 | 0.99 | 0.98 | 0.98 | 0.98 | 0.98 | 0.97 | 0.97 |
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