TABLE II. CC-19 Dataset Collected From Three Different Hospitals (A, B, and C).
| Hospital ID | A | A | B | B | C | C |
|---|---|---|---|---|---|---|
| CT scanner ID | 1 | 2 | 3 | 4 | 5 | 6 |
| Number of Patients | 30 | 10 | 13 | 7 | 20 | 9 |
| Infecation annotation | Voxel-level | Voxel-level | Voxel-level | Voxel-level | Voxel-level | Voxel-level |
| CT scanner | SAMATOM scope | Samatom Definitation Edge | Brilliance 16P iCT | Brilliance iCT | Brilliance iCT | GE 16-slice CT scanner |
| Lung Window level (LW) | −600 | −600 | −600 | −600 | −600 | −500 |
| Lung Window Witdh (WW) | 1200 | 1200 | 1600 | 1600 | 1600 | 1500 |
| Slice thickness (mm) | 5 | 5 | 5 | 5 | 5 | 5 |
| Slice increment (mm) | 5 | 5 | 5 | 5 | 5 | 5 |
| Collimation(mm) | 128*0.6 | 16*1.2 | 128*0.625 | 16*1.5 | 128*0.6 | 16*1.25 |
| Rotation time (second) | 1.2 | 1.0 | 0.938 | 1.5 | 1.0 | 1.75 |
| Pitch | 1.0 | 1.0 | 1.2 | 0.938 | 1.75 | 1.0 |
| Matrix | 512*512 | 512*512 | 512*512 | 512*512 | 512*512 | 512*512 |
| Tube Voltage (K vp) | 120 | 120 | 120 | 110 | 120 | 120 |