@article{asurveyondeeplearningbaseddocument,
  title = {A Survey on Deep learning based Document Image Enhancement},
  author = {Zahra Anvari and Vassilis Athitsos},
  year = {2021},
  eprint = {2112.02719},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2112.02719v4},
}