China is the country with biggest camera surveillance network. Government of china has set up over 170 million camera’s across the country.
These camera’s track every person on daily routine. These camera use facial recognition technology to track its citizen.
China has largest number of population but there cameras can recognise every citizen within 3 seconds.
One of the system china using is face++ which recognise every citizen enters in the train or in any store.
Face recognition is with 99.8% accuracy.
This camera system takes 7 minutes to find the wanted person through this huge camera network.