Focal Loss for Dense Object Detection

Introduction

@inproceedings{lin2017focal,
  title={Focal loss for dense object detection},
  author={Lin, Tsung-Yi and Goyal, Priya and Girshick, Ross and He, Kaiming and Doll{\'a}r, Piotr},
  booktitle={Proceedings of the IEEE international conference on computer vision},
  year={2017}
}

COCO Object Detection Baselines

Model	Lr sched	Infer time (fps)	box AP	Download
R-50-FPN	1x	23.3	37.4	model | log
R-50-FPN	2x	23.3	39.0	model | log