TABLE I.
Performance of four pipelines using all 55 volumes in a leave-one-subject-out approach.
| Measurements | Automated | Semi-automated | ||||||||
|---|---|---|---|---|---|---|---|---|---|---|
| V.P. Forests [25] | Pipeline 1 | Pipeline 2 | Pipeline 3 | Pipeline 4 | ||||||
| No GC | With GC | No GC | With GC | No GC | With GC | No GC | With GC | |||
| Dice similarity (DSC) | median | 0.697 | 0.861 | 0.864 | 0.905 | 0.908 | 0.883 | 0.888 | 0.900 | 0.904 |
| mean±std | 0.70±0.12 | 0.82±0.11 | 0.83±0.11 | 0.87±0.10 | 0.88±0.10 | 0.87±0.06 | 0.87±0.06 | 0.88±0.06 | 0.89±0.06 | |
| Mean surface distance (mm) | median | 21.42 | 5.68 | 5.09 | 3.24 | 3.19 | 4.21 | 3.67 | 3.54 | 3.41 |
| mean±std | 22.69±8.29 | 7.23±4.80 | 6.93±5.74 | 4.75±5.73 | 4.83±6.04 | 4.86±2.13 | 4.52±2.41 | 3.96±2.17 | 3.97±2.45 | |
| Hausdorff distance (mm) | median | 123.64 | 51.19 | 45.44 | 31.29 | 31.25 | 51.31 | 36.45 | 34.10 | 31.65 |
| mean±std | 135.2±48.8 | 61.4±29.6 | 53.4±31.3 | 39.7±28.4 | 39.6±30.9 | 61.8±35.6 | 42.6±20.9 | 38.3±15.8 | 37.1±18.2 | |
| Number of Failures | DSC<0.8 | 45 | 19 | 15 | 6 | 5 | 8 | 8 | 7 | 6 |
| DSC<0.75 | 37 | 11 | 13 | 4 | 4 | 3 | 3 | 2 | 2 | |
| DSC<0.7 | 28 | 9 | 6 | 3 | 3 | 0 | 0 | 0 | 0 | |
*
The bold values indicate the best performance on the particular metric. The “No GC” indicated the results without Graph Cuts while the “With GC” demonstrated the results with Graph Cuts