@article{unifunc3dunifiedactivespatialtemporalgro,
  title = {UniFunc3D: Unified Active Spatial-Temporal Grounding for 3D Functionality Segmentation},
  author = {Jiaying Lin and Dan Xu},
  year = {2026},
  eprint = {2603.23478},
  archivePrefix = {arXiv},
  url = {https://arxiv.org/abs/2603.23478},
}