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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