@article{classdifficultybasedmethodsforlong,
  title = {Class-Difficulty Based Methods for Long-Tailed Visual Recognition},
  author = {Saptarshi Sinha and Hiroki Ohashi and Katsuyuki Nakamura},
  year = {2022},
  eprint = {2207.14499},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2207.14499v2},
}