@article{animprovedhelmetdetectionmethodfor,
  title = {An improved helmet detection method for YOLOv3 on an unbalanced dataset},
  author = {Rui Geng and Yixuan Ma and Wanhong Huang},
  year = {2020},
  eprint = {2011.04214},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2011.04214v2},
}