| 攻击方式 | PSNR | NCC |
| 旋转45˚ | 0.9815 | 22.7913 |
| 旋转90˚ | 0.9882 | 24.8909 |
| 剪切左上1/4 | 0.9869 | 24.4384 |
| 剪切左上1/16 | 0.9879 | 24.4523 |
| 锐化 | 0.9780 | 33.2872 |
| 放大2倍 | 0.9711 | 20.5016 |