Research Article
Steganography Algorithm Based on the Nonlocal Maximum Likelihood Noise Estimation for Mobile Applications
Table 5
MSE between the recovered image and the image to be hidden.
| Test | Round | Red color channel | Green color channel | Blue color channel | General |
| 1 | 1 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 0 |
| 2 | 1 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 3 | 17.697502 | 24.401398 | 16.299265 | 19.466055 | 4 | 17.697502 | 24.393350 | 16.299265 | 19.463372 |
| 3 | 1 | 0 | 0 | 19.684749 | 6.561583 | 2 | 0 | 0 | 19.684749 | 6.561583 | 3 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 0 |
| 4 | 1 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 0 |
| 5 | 1 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 0 |
| 6 | 1 | 24.257998 | 24.717053 | 22.891731 | 23.955594 | 2 | 24.215700 | 24.671521 | 22.810550 | 23.899257 | 3 | 24.280156 | 41.341527 | 58.075026 | 41.232236 | 4 | 24.280156 | 41.322372 | 57.923755 | 41.175428 |
| 7 | 1 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 0 |
| 8 | 1 | 0 | 0 | 0 | 0 | 2 | 0 | 0 | 0 | 0 | 3 | 0 | 0 | 0 | 0 | 4 | 0 | 0 | 0 | 0 |
| Average | 4.13840669 | 5.65147566 | 7.30215906 | 5.69734713 |
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