@article{realworldsingleimagesuperresolutiona,
  title = {Real-World Single Image Super-Resolution: A Brief Review},
  author = {Honggang Chen and Xiaohai He and Linbo Qing and Yuanyuan Wu and Chao Ren and Ce Zhu},
  year = {2021},
  eprint = {2103.02368},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2103.02368v1},
}