Intro

ORB SLAM is a Visual SLAM algorithm that uses ORB features to track camera motion while constructing a 3D map in real time. It uses keyframes, loop closure, and bundle adjustment to correct drift

References

ORB-SLAM3

ORB-SLAM3 is a visual-inertial SLAM library that works with monocular, stereo, and RGB-D cameras

https://deepwiki.com/UZ-SLAMLab/ORB_SLAM3/6.1-monocular-slam