@article{continuoustonesimplepointsanell0normofcy,
  title = {Continuous-tone Simple Points: An $\ell_0$-Norm of Cyclic Gradient for Topology-Preserving Data-Driven Image Segmentation},
  author = {Wenxiao Li and Faqiang Wang and Yuping Duan and Li Cui and Liqiang Zhang and Jun Liu},
  year = {2026},
  eprint = {2604.28159},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2604.28159},
}