Table 1.
Performance of the three observers and the framework in delineating the lumen, the vessel, and the wall. Criteria included volume and similarity deviation from the consensus volumes and shapes.
| Lumen (inner boundaries) | Vessel (outer boundaries) | Vessel Wall | |||||||
|---|---|---|---|---|---|---|---|---|---|
| Volume MSE (mm3) | Rel. Volume Error (%) | Similarity (%) | Volume MSE (mm3) | Rel. Volume Error (%) | Similarity (%) | Volume MSE (mm3) | Rel. Volume Error (%) | Similarity (%) | |
| Observer 1 | 9.8 | 20.8 | 84.9 | 26.0 | 16.8 | 86.4 | 25.1 | 26.3 | 67.5 |
| Observer 2 | 21.1 | 42.9 | 68.3 | 40.6 | 31.1 | 79.5 | 28.2 | 31.4 | 51.6 |
| Observer 3 | 13.0 | 22.6 | 82.9 | 49.8 | 39.1 | 79.4 | 42.8 | 53.1 | 63.3 |
| Framework | 8.0 | 26.1 | 81.1 | 20.9 | 21.5 | 81.1 | 18.4 | 25.4 | 60.2 |
| Rank | 1st | 3rd | 3rd | 1st | 2nd | 2nd | 1st | 1st | 3rd |