@article{legopethierarchicalfeatureguided,
  title = {LegoPET: Hierarchical Feature Guided Conditional Diffusion for PET Image Reconstruction},
  author = {Yiran Sun and Osama Mawlawi},
  year = {2024},
  eprint = {2411.16629},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2411.16629v1},
}