Table 2 AUC scores of gradient magnitude and Hessian magnitude under different t-th root mappings
From: Vector textures derived from higher order derivative domains for classification of colorectal polyps
t-th root degree | Gradient magnitude | Hessian magnitude |
|---|---|---|
1 | 0.882 ± 0.006 | 0.914 ± 0.006 |
2 | 0.898 ± 0.007 | 0.912 ± 0.004 |
3 | 0.899 ± 0.011 | 0.911 ± 0.005 |
4 | 0.893 ± 0.005 | 0.912 ± 0.004 |
5 | 0.892 ± 0.009 | 0.911 ± 0.005 |
6 | 0.891 ± 0.006 | 0.910 ± 0.005 |
7 | 0.886 ± 0.009 | 0.909 ± 0.005 |
8 | 0.885 ± 0.008 | 0.909 ± 0.005 |