Methods | 熵 | 平均梯度 | 空间频率 | 标准差 |
CVT | 7.3116 | 8.5583 | 20.9401 | 42.6953 |
DTCWT | 7.2957 | 8.5326 | 21.4188 | 43.0708 |
NSCT | 7.3245 | 8.5118 | 21.6494 | 44.3428 |
本文方法 | 7.3102 | 8.5782 | 23.6121 | 49.7966 |