@article{hipahierarchicalpatchtransformerfor,
  title = {HIPA: Hierarchical Patch Transformer for Single Image Super Resolution},
  author = {Qing Cai and Yiming Qian and Jinxing Li and Jun Lv and Yee-Hong Yang and Feng Wu and David Zhang},
  year = {2022},
  eprint = {2203.10247},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2203.10247v2},
}