Table 6 Comparing robustness of proposed method with method (Azizi et al. 2013 ) and method (Ramanjaneyulu & Rajarajeswari 2012 )
From: MEO based secured, robust, high capacity and perceptual quality image watermarking in DWT-SVD domain
Attack type | Method (Azizi et al. 2013 ) | Method (Ramanjaneyulu & Rajarajeswari 2012 ) | Proposed (Best case) |
|---|---|---|---|
Median Filter (3 × 3) | 0.960 | 0.8130 | 0.9972 |
Gaussian Filter(3 × 3) | --- | 0.9069 | 0.9977 |
Average Filter (3 × 3) | --- | 0.6884 | 0.9618 |
Histogram Equalization | 0.99 | 0.8880 | 0.9951 |
Gaussian Noise (Density 0.001) | 0.800 | 0.3922 | 0.9817 |
Gamma Correction (0.9) | 0.99 | 0.9983 | 0.9997 |
Rotation (By 10° clockwise) | --- | 0.5695 | 0.9951 |
Weiner Filtering (5 × 5) | --- | 0.8447 | 0.9728 |
Salt and Pepper Noise(0.01) | 0.930 | 0.9263 | 0.9817 |
Resizing (50%) | 0.960 | 0.6700 | 0.9977 |
Compression (Q.F.60%) | 0.816 | 0.9375 | 0.9789 |