@article{improveddenoisingdiffusionprobabilistic1,
  title = {Improved Denoising Diffusion Probabilistic Models},
  author = {Alex Nichol and Prafulla Dhariwal},
  year = {2021},
  eprint = {2102.09672},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2102.09672v1},
}