@article{vsdiffusiontamingillposedshadowgeneratio,
  title = {VSDiffusion: Taming Ill-Posed Shadow Generation via Visibility-Constrained Diffusion},
  author = {Jing Li and Jing Zhang},
  year = {2026},
  eprint = {2603.08020},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2603.08020},
}