@article{difficultynetlearningtopredictdifficulty,
  title = {Difficulty-Net: Learning to Predict Difficulty for Long-Tailed Recognition},
  author = {Saptarshi Sinha and Hiroki Ohashi},
  year = {2022},
  eprint = {2209.02960},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2209.02960v1},
}