| Robert | Log | Canny | 本文算法 |
变压器(泊松噪声) | 1.7815 | 7.7380 | 9.4320 | 13.2440 |
电力塔(高斯噪声) | 1.0089 | 3.6377 | 8.8709 | 11.8032 |
绝缘子(椒盐噪声) | 0.3935 | 5.646 | 5.8001 | 9.5175 |