@article{classwisedifficultybalancedlossfor,
  title = {Class-Wise Difficulty-Balanced Loss for Solving Class-Imbalance},
  author = {Saptarshi Sinha and Hiroki Ohashi and Katsuyuki Nakamura},
  year = {2020},
  eprint = {2010.01824},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2010.01824v1},
}