Large-Scale Autonomous Flight With Real-Time Semantic SLAM Under Dense Forest Canopy. - Xu Liu 007; Guilherme V. Nardari; Fernando Cladera Ojeda; Yuezhan Tao; Alex Zhou; Thomas Donnelly; Chao Qu; Steven W. Chen; Roseli A. F. Romero; Camillo J. Taylor; Vijay Kumar 001 (IEEE Robotics Autom. Lett., 2022)