Table 2 Feature domains and types
Feature domain | Feature type | Feature number |
|---|---|---|
Differentiable features | Z-profile of Frangi filters | 4 |
Z-profile of matched filters | 4 | |
Gaussian-filter-smoothed Z-profile of the gradient magnitude | 4 | |
Vessel confidence measure | 1 | |
Spatial features | Z-profile of granular decomposition | 4 |
Gabor features | Z-profile of Gabor features | 4 |
Deep-learning features | Activation maps of the final decoder layer | 16 |