Table 3 Comprehensive dataset distribution in London and Scotland.
Country | Purpose | Number of images | Class | ||||||
|---|---|---|---|---|---|---|---|---|---|
Brick | Concrete | Glass | Stone | Mixed | Others | Total | |||
London | Training | 928 | 265 | 137 | 43 | 24 | 357 | 102 | 928 |
Augmentation | 5568 | 1590 | 822 | 258 | 144 | 2142 | 612 | 5568 | |
Validation | 311 | 91 | 45 | 14 | 8 | 119 | 34 | 311 | |
Test | 311 | 86 | 47 | 15 | 9 | 120 | 34 | 311 | |
Total | 7118 | 2032 | 1051 | 330 | 185 | 2738 | 782 | 7118 | |
Scotland | Training | 608 | 46 | 80 | 9 | 174 | 241 | 58 | 608 |
Augmentation | 3648 | 276 | 480 | 54 | 1044 | 1446 | 348 | 3648 | |
Validation | 204 | 15 | 26 | 3 | 61 | 80 | 19 | 204 | |
Test | 205 | 16 | 28 | 4 | 56 | 81 | 20 | 205 | |
Total | 4665 | 353 | 614 | 70 | 1335 | 1848 | 445 | 4665 | |
