@article{towardsminimalfocalstackinshapefromfocus,
  title = {Towards Minimal Focal Stack in Shape from Focus},
  author = {Khurram Ashfaq and Muhammad Tariq Mahmood},
  year = {2026},
  eprint = {2604.01603},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2604.01603},
}