@article{fastlearningradiancefieldsbyshooting,
  title = {Fast Learning Radiance Fields by Shooting Much Fewer Rays},
  author = {Wenyuan Zhang and Ruofan Xing and Yunfan Zeng and Yu-Shen Liu and Kanle Shi and Zhizhong Han},
  year = {2022},
  eprint = {2208.06821},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2208.06821v2},
}