# Focal Loss for Dense Object Detection in PyTorch
[Focal Loss for Dense Object Detection](https://arxiv.org/pdf/1708.02002.pdf)
# Result
Method | training set | val set | mAP
--- |--- |--- |---
Cross Entropy Loss |VOC2007 | VOC2007 | 63.36
Focal Loss |VOC2007 | VOC2007 | 65.26
A_PyTorch_实现_本地_丢失_focal_loss_pytorch_A_PyTorch_Implementation_of_Focal_Loss._focal_loss_pytorch.zip （6个子文件） 
focal_loss_pytorch-master 
focalloss.py 1KB LICENSE 1KB focalloss_test.py 1KB .gitignore 1KB images 
focal_loss.png 90KB README.md 373B资源评论
