From: A Contourlet-Based Image Watermarking Scheme with High Resistance to Removal and Geometrical Attacks
Host image | Highest frequency subband | PSNR | NC |
---|---|---|---|
Baboon | 13 | 37.0757 | 0.986389 |
Barbara | 6 | 36.7178 | 0.983328 |
Boat | 4 | 36.7234 | 0.985742 |
Cameraman | 1 | 45.7128 | 0.987057 |
City | 13 | 37.0794 | 0.98637 |
Couple | 13 | 37.0754 | 0.986388 |
Elaine | 1 | 45.7083 | 0.987072 |
Lena | 16 | 46.968 | 0.986253 |
Man | 4 | 36.9369 | 0.98061 |
Peppers | 4 | 36.7585 | 0.985308 |
Zelda | 4 | 36.7616 | 0.985401 |