Table 7 Comparing robustness of proposed method with method (Lai & Tsai 2010 ) and method (Ganic & Eskicioglu 2004 )
From: MEO based secured, robust, high capacity and perceptual quality image watermarking in DWT-SVD domain
Attack type | Method (Lai & Tsai 2010 ) | Method (Ganic & Eskicioglu 2004 ) | Proposed (Best case) |
|---|---|---|---|
Cropping Attack (50%) | 0.9843 | 0.7063 | 0.9872 |
Rotation Attack (10° clockwise) | 0.9897 | 0.9091 | 0.9951 |
Gaussian Noise (Density 0.001) | 0.9756 | 0.9377 | 0.9817 |
Average Filtering Attack (3 × 3) | 0.9597 | 0.7047 | 0.9618 |
Compression Attack (Q.F.60%) | 0.9772 | 0.9226 | 0.9789 |
Histogram Equalization | 0.9890 | 0.9700 | 0.9951 |
Gamma Correction(0.9) | 0.9994 | 0.9989 | 0.9997 |
Contrast Adjustment (Histogram method) | 0.9958 | 0.9759 | 0.9978 |