Table 6.
Average validation metrics comparing automatic 25 lumbar vertebrae segmentation results, using strong shape-based priors, with corresponding manually corrected segmentation of patients in MR images.
Validation metric | L1 | L2 | L3 | L4 | L5 | Total |
---|---|---|---|---|---|---|
MASD (mm) | 0.176 | 1.182 | 0.72 | 0.491 | 0.22 | 0.685 |
Absolute std. dev. (mm) | 0.148 | 0.054 | 0.133 | 0.147 | 0.254 | 0.147 |
MSD (mm) | 0.288 | 0.486 | 0.20 | 0.316 | 0.19 | 0.297 |
Avg. Hausdorff distance (mm) | 1.068 | 1.162 | 1.629 | 1.189 | 0.863 | 1.182 |
DICE coefficient | 0.984 | 0.989 | 0.978 | 0.976 | 0.981 | 0.982 |