Table 1.
Mammography image labels and dataset distributions
| Total label nos. (3034) | Training (70%) | Validation (10%) | Testing (20%) | |
|---|---|---|---|---|
| Mammographic view | CC: 1429 (47%) | CC: 1000 | CC: 143 | CC: 288 |
| MLO: 1605 (53%) | MLO: 1123 | MLO: 161 | MLO: 323 | |
| Laterality | Left: 1560 (51%) | Left: 1092 | Left: 156 | Left: 314 |
| Right: 1474 (49%) | Right: 1032 | Right: 148 | Right: 296 | |
| Breast density (BI-RADS) | A: 416 (14%) | A: 291 | A: 42 | A: 85 |
| B: 1182 (39%) | B: 827 | B: 119 | B: 238 | |
| C: 928 (31%) | C:649 | C: 93 | C: 188 | |
| D: 508 (16%) | D: 355 | D: 51 | D: 104 |
CC craniocaudal, MLO mediolateral oblique, BI-RADS Breast Imaging Reporting and Data System, A fatty, B scattered fibroglandular, C heterogeneously dense, D dense