Research Article
A Perceptive Approach to Digital Image Watermarking Using a Brightness Model and the Hermite Transform
Table 3
MOS averaged for all 14 tested images obtained in experiment 1.
| | Image | MOS | | Original image | Watermarked image |
| | Aerial | 4.4250 | 3.7433 | | Airplane | 4.0550 | 4.0400 | | Baboon | 3.3000 | 3.9400 | | Barbara | 3.6166 | 3.6550 | | Boat | 3.9166 | 3.8000 | | Cameraman | 3.6933 | 3.2966 | | Clock | 4.2433 | 3.8150 | | Elaine | 4.4500 | 3.9333 | | Gold hill | 3.6600 | 3.4433 | | Lake | 3.9866 | 3.2766 | | Lena | 4.0733 | 3.9533 | | Peppers | 4.0466 | 4.1200 | | Stream bridge | 3.9866 | 3.9000 | | Texture | 4.0700 | 3.9166 |
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