@article{optimalrejectionfunctionmeetscharacter,
  title = {Optimal Rejection Function Meets Character Recognition Tasks},
  author = {Xiaotong Ji and Yuchen Zheng and Daiki Suehiro and Seiichi Uchida},
  year = {2022},
  eprint = {2203.09151},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2203.09151v1},
}