@article{qdmquadtreebasedregionadaptivesparse,
  title = {QDM: Quadtree-Based Region-Adaptive Sparse Diffusion Models for Efficient Image Super-Resolution},
  author = {Donglin Yang and Paul Vicol and Xiaojuan Qi and Renjie Liao and Xiaofan Zhang},
  year = {2025},
  eprint = {2503.12015},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2503.12015v1},
}