@article{gu2023f,
  title={f-DM: A Multi-stage Diffusion Model via Progressive Signal Transformation},
  author={Jiatao Gu, Shuangfei Zhai, Yizhe Zhang, Miguel Angel Bautista, Josh Susskind},
  journal={arXiv preprint arXiv:2210.04955},
  url={https://arxiv.org/abs/2210.04955},
  year={2023}
}