Table 2 Distribution of collected traffic sign symbols36.
From: Potholes and traffic signs detection by classifier with vision transformers
Labels | # of images | Training (80%) | Testing (20%) |
|---|---|---|---|
200 m | 508 | 406 | 81 |
100–500 m | 272 | 218 | 44 |
Barrier ahead | 288 | 230 | 46 |
Broad wideness ahead | 421 | 337 | 67 |
Crossroad | 523 | 418 | 84 |
Cattle | 275 | 220 | 44 |
Cycle crossing | 899 | 719 | 144 |
Dangerous dip | 726 | 581 | 116 |
Falling rocks | 200 | 160 | 32 |
Ferry | 369 | 295 | 59 |
Gap in median | 788 | 630 | 126 |
Guarded 200 m | 274 | 219 | 44 |
Guarded 50–100 m | 272 | 218 | 44 |
Hump | 666 | 533 | 107 |
Left-hand curve | 495 | 396 | 79 |
Left hair pin bend | 510 | 408 | 82 |
Left reverse bend | 653 | 522 | 104 |
Loose gravel | 200 | 160 | 32 |
Major road ahead | 775 | 620 | 124 |
Men at work | 413 | 330 | 66 |
Narrow bridge | 434 | 347 | 69 |
Narrow road ahead | 400 | 320 | 64 |
Pedestrian | 2033 | 1626 | 325 |
Right hair pin bend | 739 | 591 | 118 |
Right reverse bend | 235 | 188 | 38 |
Right-hand curve | 912 | 730 | 146 |
Round about | 120 | 96 | 19 |
Steep ascendant | 912 | 730 | 146 |
Steep descendant | 420 | 336 | 67 |
Staggered intersection | 420 | 336 | 67 |
Slippery road | 382 | 306 | 61 |
Side road right | 382 | 306 | 61 |
Side road left | 1350 | 1080 | 216 |
School ahead | 288 | 230 | 46 |
Traffic signal ahead | 170 | 136 | 27 |
Unguarded 200 m | 382 | 306 | 61 |
Unguarded 50–100 m | 272 | 218 | 44 |
Y-intersection | 272 | 218 | 44 |
Total | 19,775 | 15,819 | 3163 |