Table 3. Segmentation performance scores MP2RAGE data set.
The table shows the DICE (larger is better) and AVHD (less is better) for the initial CBS tools and FSL FAST GM segmentations as well as after additional masking, using either the gradient magnitude or the compositional data method.
CBS | FAST | |||
---|---|---|---|---|
DICEa | AVHDa | DICEa | AVHDa | |
S001 | ||||
Init | 0.8943 | 0.3711 | 0.8403 | 1.0523 |
Init + GraMag | 0.9141 | 0.4013 | 0.8248 | 0.8241 |
Init + CoDa | 0.9185 | 0.3249 | 0.8795 | 0.5757 |
S013 | ||||
Init | 0.8672 | 0.5641 | 0.7859 | 1.0272 |
Init + GraMag | 0.8629 | 0.4921 | 0.7653 | 0.8835 |
Init + CoDa | 0.8648 | 0.4835 | 0.8137 | 0.7225 |
S014 | ||||
Init | 0.8695 | 0.5897 | 0.8376 | 0.9203 |
Init + GraMag | 0.8606 | 0.4859 | 0.8136 | 0.7260 |
Init + CoDa | 0.8710 | 0.4921 | 0.8486 | 0.6789 |
S019 | ||||
Init | 0.9077 | 0.4517 | 0.8529 | 0.9529 |
Init + GraMag | 0.8865 | 0.3301 | 0.8218 | 0.7005 |
Init + CoDa | 0.8888 | 0.4096 | 0.8642 | 0.6024 |
DICE, DICE Coefficient; AVHD, Average Hausdorff Distance; Init, initial segmentation; GraMag, gradient magnitude method; CoDa, compositional data method.
a After masking of areas affected by artifact in the T2s image.