@article{knowledgepreservedmodeltuninginnullspace,
  title = {Knowledge-Preserved Model Tuning in Null-Space for Robust Spatio-Temporal Video Grounding},
  author = {Haoxuan Chen and Xianqin Liu and Jian-Fang Hu},
  year = {2026},
  eprint = {2606.03539},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2606.03539},
}