K. Jesus, H. Kobs, A. Cukla, M. Cuadros, and D. Gamarra.
"Comparison of Visual SLAM Algorithms ORB-SLAM2, RTAB-Map and SPTAM in Internal and External Environments with ROS", in <em>Anais do XIII Simpósio Brasileiro de Robótica e XVIII Simpósio Latino Americano de Robótica</em>, Online, 2021, pp. 216-221.