Stadiums and Concert Halls
There are often large traffic flows before and after an event. People counters are used to measure the traffic flows of previous events, and the traffic patterns are used to improve traffic flow, particularly when entering and exiting.
Smart Office Buildings
Energy Usage Optimization:
Commercial buildings utilize people counters to measure the use of different parts of the building at different times. This information can then be used to intelligently optimize the energy usage in the building (e.g. air conditioning needs, etc.).
In the case of fire, people counters are one of the tools used to approximate the number of people inside the building