@article{u2mambaatwolevelnestedustructuremambafor,
  title = {U$^2$Mamba: A Two-level Nested U-structure Mamba for Salient Object Detection},
  author = {Junhui Li and Jialu Li and Youshan Zhang},
  year = {2026},
  eprint = {2606.20282},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2606.20282},
}