| Backbone | AP | \(AP_{50}\) | \(AP_{75}\) | \(AP_{S}\) | \(AP_{M}\) | \(AP_{L}\) |
---|---|---|---|---|---|---|---|
Two-stage methods | |||||||
 Faster R-CNN+++ | ResNet-101-C4 | 34.9 | 55.7 | 37.4 | 15.6 | 38.7 | 50.9 |
 Faster R-CNN w FPN | ResNet-101-FPN | 36.2 | 59.1 | 39.0 | 18.2 | 39.0 | 48.2 |
 Faster R-CNN by G-RMI | Inception-ResNet-v2 | 34.7 | 55.5 | 36.7 | 13.5 | 38.1 | 52.0 |
 Faster R-CNN w TDM | Inception-ResNet-v2-TDM | 36.8 | 57.7 | 39.2 | 16.2 | 39.8 | 52.1 |
One-stage methods | |||||||
 YOLOv2 | DarkNet-19 | 21.6 | 44.0 | 19.2 | 5.0 | 22.4 | 35.5 |
 SSD513 | ResNet-101-SSD | 31.2 | 50.4 | 33.3 | 10.2 | 34.5 | 49.8 |
 DSSD513 | ResNet-101-DSSD | 33.2 | 53.3 | 35.2 | 13.0 | 35.4 | 51.1 |
 RetinaNet | ResNet-101-FPN | 39.1 | 59.1 | 42.3 | 21.8 | 42.7 | 50.2 |
 RetinaNet | ResNeXt-101-FPN | 40.8 | 61.1 | 44.1 | 24.1 | 44.2 | 51.2 |