Research Article
Haar-Wavelet-Based Just Noticeable Distortion Model for Transparent Watermark
Table 1
PSNR comparisons of the benchmark full-band JND model, the proposed DWT-based JND model, and the modified DWT-based JND model.
| JND model | Lena | Cameraman | Baboon | Board | Peppers |
| Full-band JND | 32.7041 | 29.9122 | 34.0845 | 25.3486 | 30.3052 | DWT-based JND | 34.3301 | 31.7556 | 35.8156 | 30.8003 | 32.1375 | The modified DWT-based JND | 33.7117 | 30.9614 | 34.0931 | 25.7192 | 31.7148 |
|
|