@article{sam4dcaptrainingfreebiomechanicaltwinsys,
  title = {SAM4Dcap: Training-free Biomechanical Twin System from Monocular Video},
  author = {Li Wang and HaoYu Wang and Xi Chen and ZeKun Jiang and Kang Li and Jian Li},
  year = {2026},
  eprint = {2602.13760},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2602.13760},
}