Advances, Systems and Applications
Table 15 Retrieving percent after applying Gaussian noise attack on different image for 2bit/block
From: Digital image watermarking using discrete cosine transformation based linear modulation
Variance | Retrieving Percentage (Lena image) | Retrieving Percentage (Baboon image) | Retrieving Percentage (Peppers image) |
|---|---|---|---|
0.001 | 1.1719 | 3.1250 | 3.9063 |
0.0001 | 4.2969 | 6.6406 | 4.2969 |
0.00001 | 5.0781 | 9.7656 | 7.0313 |
0.000001 | 8.9844 | 10.1563 | 12.5000 |