Table 3 AUC scores of gradient magnitude and Hessian magnitude under different gray levels while the t-th root is set to be 2
From: Vector textures derived from higher order derivative domains for classification of colorectal polyps
Gray level | Gradient magnitude | Hessian magnitude |
|---|---|---|
28 | 0.909 ± 0.046 | 0.929 ± 0.035 |
32 | 0.898 ± 0.007 | 0.912 ± 0.004 |
36 | 0.891 ± 0.041 | 0.924 ± 0.037 |
40 | 0.916 ± 0.038 | 0.923 ± 0.035 |
44 | 0.886 ± 0.042 | 0.921 ± 0.038 |
48 | 0.891 ± 0.043 | 0.940 ± 0.033 |
52 | 0.891 ± 0.043 | 0.926 ± 0.035 |
56 | 0.891 ± 0.039 | 0.938 ± 0.031 |
60 | 0.894 ± 0.043 | 0.930 ± 0.033 |
64 | 0.891 ± 0.042 | 0.938 ± 0.033 |
68 | 0.891 ± 0.040 | 0.922 ± 0.034 |