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 Jetson Nano Car ROS, Motor Control, SolidWorks, URDF, CV, Jetson Nano, Mobile Robot, Arduino, PID.