Botao He Guofei Chen Cornelia Fermüller Yiannis Aloimonos Ji Zhang 0003 Air-FAR: Fast and Adaptable Routing for Aerial Navigation in Large-Scale Complex Unknown Environments. 1-7 2025 ICRA https://doi.org/10.1109/ICRA55743.2025.11127430 conf/icra/2025 db/conf/icra/icra2025.html#HeCFAZ25 streams/conf/icra