When you have a location you can also use the gyroscope to track where the device is going after the starting point.
Almost like a video stream. Once in a while a keyframe and a stream of changes in between.
Almost like a video stream. Once in a while a keyframe and a stream of changes in between.
With the cheap IMU in phones, you very quickly reach the 100+ meter margin. That is why you usually combine it with other sources of localization to keep the margin down. If no other sources are available, the localization provided by the IMU become next to useless.