Table 6 Comparison of the proposed method with other domain methods.
From: A Contourlet-Based Image Watermarking Scheme with High Resistance to Removal and Geometrical Attacks
Characteristic | Proposed method | Elbasi & Eskicioglu's Method | Wang & Pearmain Method |
|---|---|---|---|
Transform domain | Contourlet | Wavelet | DCT |
Watermark type | Gray scale | PRN sequence | Binary |
No. watermark bits embedded | 17 KB(128×128) | — | 910 |
PSNR in dB | 46.97 | 40.86 | 39.21 |
No. reported attacks | 13 | 9 | 4 |
Extraction type | Nonblind | Semiblind | Blind |