@article{li2026inp3vio,
  title={In-P3 VIO: Tightly-Coupled PPP-Visual-Inertial Odometry Based on Invariant Filter Approach},
  author={Li, Tao and Hua, Tong and Yin, Jie and Yang, Xusheng and Zhang, Wen-An and others},
  journal={IEEE Transactions on Aerospace and Electronic Systems},
  year={2026},
  publisher={IEEE}
}