| Methods | 熵 | 平均梯度 | 空间频率 | 标准差 |
| CVT | 5.7627 | 2.0369 | 6.937 | 16.9105 |
| DTCWT | 5.7147 | 1.9872 | 6.9218 | 16.9808 |
| NSCT | 5.7353 | 2.0342 | 6.9658 | 17.2383 |
| 本文方法 | 6.0956 | 2.0586 | 7.3695 | 19.9347 |