Table 2.
Comparisons between the reference condition and each segmentation mask regarding MV vortex ring existence in each frame (κ values with their 95% confidence intervals), average spatial overlap indices of MV vortex ring core and MV vortex ring region, and estimated manual segmentation and processing times per subject.
| Segmentation mask | Existence (κ) | Core (DSC) | Region (DSC) | Segmentation time (min) | Processing time (min) |
|---|---|---|---|---|---|
| reference | – | – | – | 653.5 ± 92.1 | 71.5 ± 19.5 |
| 2d | 0.96 [0.94, 0.99] | 0.88 ± 0.06 | 0.97 ± 0.02 | 326.7 ± 46.1 | 71.4 ± 19.2 |
| 3d | 0.96 [0.94, 0.98] | 0.88 ± 0.05 | 0.97 ± 0.01 | 217.8 ± 30.7 | 71.5 ± 19.4 |
| 4d | 0.94 [0.91, 0.97] | 0.85 ± 0.07 | 0.96 ± 0.02 | 163.4 ± 23.0 | 71.3 ± 19.2 |
| 5d | 0.91 [0.87, 0.94] | 0.85 ± 0.07 | 0.96 ± 0.02 | 130.7 ± 18.4 | 71.4 ± 19.2 |
| 6d | 0.90 [0.87, 0.94] | 0.83 ± 0.08 | 0.95 ± 0.03 | 108.9 ± 15.4 | 71.5 ± 19.3 |
| end‐dia | 0.92 [0.89, 0.95] | 0.82 ± 0.08 | 0.94 ± 0.02 | 21.8 ± 3.1 | 71.8 ± 19.1 |
| erode | 0.90 [0.87, 0.94] | 0.74 ± 0.10 | 0.90 ± 0.03 | 653.5 ± 92.1 | 71.4 ± 19.5 |
| dilate | 0.90 [0.86, 0.94] | 0.83 ± 0.09 | 0.94 ± 0.02 | 653.5 ± 92.1 | 72.0 ± 19.4 |