CHAMELEON: Visual-inertial indoor navigation

This paper presents a study of an indoor navigation system, Chameleon. The system is based on simultaneous localization and mapping (SLAM), using a stereo camera combined with an inertial measurement unit (IMU). Results from a number of navigation experiments are shown. Some experiments were performed in parallel with a foot-mounted system, Centipede, and results from this system are shown as a comparison. Additionally, the ability of the camera-based system to generate building maps is demonstrated.