Table 4 Anatomical classification of the training image set and validation image set.
Main category | Sub category | Training set (n) (%) | Validation set (n) (%) |
|---|---|---|---|
Larynx | Â | 663 (2) | 363 (2) |
Esophagus | Upper, middle part | 1,460 (5) | 2,142 (13) |
Lower part | 1,792 (7) | ||
Upper stomach | Cardia | 1,830 (7) | 3,532 (21) |
Upper body | 3,649 (13) | ||
Middle stomach | Angle | 2,247 (8) | 6,379 (37) |
Middle body | 4,937 (18) | ||
Lower stomach | Antrum | 2,517 (9) | 3,137 (18) |
Pylorus | 3,012 (11) | ||
Lower body | 2,010 (7) | ||
Duodenum | Bulbs | 1,578 (6) | 1,528 (9) |
Second portion | 1,640 (6) | ||
Total | Â | 27,335 (100) | 17,081 (100) |