Research Article
Blind Image Watermarking Based on Adaptive Data Spreading in n-Level DWT Subbands
Table 9
Performance comparison with [
9] with BER value.
| Attack | Proposed | [9] |
| Average PSNR [dB] | 43.13 | 42.42 |
| Cropping 25% | 0.0371 | 0.0391 |
| Sharpening | 0.0000 | 0.0000 |
| Gaussian Filtering | 0.0036 | 0.0531 |
| Average Filtering | 0.0238 | 0.2568 |
| Median Filtering | 0.0111 | 0.2839 |
| JPEG quality 60 | 0.0156 | 0.2188 |
| JPEG quality 80 | 0.0000 | 0.0062 |
| Average robustness | 0.0130 | 0.1226 |
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