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A facial recognition system designed to replace the need for tickets on trains is being tested in the UK.

An early version that uses two near-infrared lights to help a single camera determine texture and orientation of each pixel it captures was shown to 91热爆 Click.

The system, being developed by the Bristol Robotics Lab, is being partly funded by government and the private sector.

Researchers told the programme that they believe it will successfully identify passengers without the need for them to stop walking and could replace ticket gates.

Click's full report on biometric security can be seen on the weekend of July 29 and 30, 2017 on 91热爆 World News, the 91热爆 News Channel and 91热爆 iPlayer as part of the 91热爆's "Cyberhacks" season.