攻击类型 | NCC | PSNR | ||
文献 [8] | 本文 | 文献 [8] | 本文 | |
高斯噪声Var = 0.001 | 0.9778 | 0.9890 | 29.6157 | 30.0073 |
椒盐噪声Var = 0.001 | 0.9968 | 0.9981 | 33.9281 | 34.9089 |
中值滤波3 × 3 | 0.9309 | 0.9860 | 34.4609 | 34.8195 |
均值滤波3 × 3 | 0.8098 | 0.8943 | 33.2115 | 32.9717 |
高斯低通 | 0.9519 | 0.9876 | 38.7256 | 41.8480 |
高斯低通滤波 | 0.8429 | 0.9312 | 34.3339 | 34.3769 |
旋转45˚ | 0.5468 | 0.9815 | 10.3579 | 22.7913 |
剪切左上角1/4 | 0.6185 | 0.9869 | 11.5527 | 24.4384 |
锐化 | 0.8953 | 0.9780 | 32.1659 | 33.2872 |