Table 1 Simulation results for the DSK using the proposed nonblind and blind techniques.
From: Nonblind and Quasiblind Natural Preserve Transform Watermarking
Host image size | Watermark size | Embedding time | Extraction time | Watermarked PSNR |
|---|---|---|---|---|
64 | 20 | 0.13 s | 0.84 s | 25.2 |
128 | 32 | 0.23 s | 1.69 s | 27.3 |
100 | 100 | 0.34 s | 2.82 s | 23.4 |
140 | 50 | 0.45 s | 4.4 s | 24.3 |
64
20
128
32
100
11
140
70