@article{simpleandefficientunpairedrealworld,
  title = {Simple and Efficient Unpaired Real-world Super-Resolution using Image Statistics},
  author = {Kwangjin Yoon},
  year = {2021},
  eprint = {2109.09071},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2109.09071v1},
}