Research Article
Visible Watermarking Technique Based on Human Visual System for Single Sensor Digital Cameras
Table 3
Comparison of MOS among two previously proposed algorithms [
13,
14] and proposed algorithm.
| | Artificial images (Figures 5(a) and 5(b)) | Natural images (Figures 5(c) and 5(d)) | Visibility | Unobtrusiveness | Visibility | Unobtrusiveness |
| Lukac’s method [13] | 3.18 | 4.01 | 2.22 | 3.84 | Yu’s method [14] | 3.19 | 3.89 | 3.02 | 3.83 | Proposed method | 4.59 | 4.39 | 4.13 | 4.10 |
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