@article{improvingdiffusionmodelsforinverse1,
  title = {Improving Diffusion Models for Inverse Problems Using Optimal Posterior Covariance},
  author = {Xinyu Peng and Ziyang Zheng and Wenrui Dai and Nuoqian Xiao and Chenglin Li and Junni Zou and Hongkai Xiong},
  year = {2024},
  eprint = {2402.02149},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2402.02149v2},
}