@INPROCEEDINGS{lin2025region,
  author={Shuyue Lin and Yuxiang Sun},
  booktitle={2025 International Conference on Information and Automation (ICIA)}, 
  title={Region-based Initialization and Spatial-constrained Loop Closure Detection for Efficient Visual-inertial SLAM}, 
  year={2025},
  volume={},
  number={},
  pages={353-358},
  doi={10.1109/ICIA64617.2025.11277738}}