Inserting a time stamp when passing by a precisely known position
During a data acquisition experiment with a real vehicle in the streets, make it possible to record also the time of the vehicle passing by spot with a precisely known position. For instance, a corner of the street, a bus stop, a pedestrian crossing, ...
The event can be detected manually by a human operator. Perhaps just by pressing a button.
But some automated solution could also be useful. What would then detect the event? Some computer vision algorithm? Or how about exploring the possibility to detect the railroad switch? The latter might need some discussion with experts.