@article{deeplearningbasedfacesuperresolutiona,
  title = {Deep Learning-based Face Super-Resolution: A Survey},
  author = {Junjun Jiang and Chenyang Wang and Xianming Liu and Jiayi Ma},
  year = {2021},
  eprint = {2101.03749},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2101.03749v2},
}