Table 1 Distribution of target sizes in the VisDrone2019 dataset.
From: A multi-scale small object detection algorithm SMA-YOLO for UAV remote sensing images
Category | Small | Medium | Large | |||
|---|---|---|---|---|---|---|
Number | Proportion (%) | Number | Proportion (%) | Number | Proportion (%) | |
Pedestrian | 65227 | 82.22 | 13804 | 17.40 | 306 | 0.39 |
People | 23497 | 86.84 | 3463 | 12.80 | 99 | 0.37 |
Bicycle | 7111 | 67.85 | 3244 | 30.95 | 125 | 1.19 |
Car | 69862 | 48.22 | 63079 | 43.54 | 11926 | 8.23 |
Van | 10751 | 43.08 | 11517 | 46.15 | 2688 | 10.77 |
Truck | 3982 | 30.93 | 6725 | 52.23 | 2168 | 16.84 |
Tricycle | 2176 | 45.22 | 2425 | 50.39 | 211 | 4.38 |
Awning Tricycle | 1360 | 41.90 | 1699 | 52.34 | 187 | 5.76 |
Bus | 1661 | 28.03 | 3265 | 55.10 | 1000 | 16.87 |
Motor | 21986 | 74.16 | 7395 | 25.00 | 266 | 0.90 |
Total | 207613 | 60.49 | 116616 | 33.98 | 18976 | 5.53 |