work Visual-SLAM Loop Closure and Relocalization Visual SLAM, Loop Closure, Relocalization, ORB-SLAM, Stereo Camera, Bundle Adjustment Visual-Inertial Tracking using Preintegrated Factors Visual SLAM, IMU, CV, C++, Bundle Adjustment Graph Attention Network for Social Navigation (GAT4SN) RL, Mobile Robot, Deep Learning, Motion Planing, GNN fun