Facial recognition

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Police facial recognition 'needs considerable investment'

Facial recognition

"Considerable investment" is needed to get consistency from the police's use of facial recognition, according to a university study.

South Wales Police has used automated facial recognition (AFR) technology at several events in Cardiff since the Champions League final in June 2017.

The study found the accuracy of AFR has improved since its introduction, but does worsen in bad light or big crowds.

The Metropolitan Police used facial recognition at London's Notting Hill carnival in 2016 and 2017 and at a Remembrance Sunday event.

Its system incorrectly flagged 102 people as potential suspects and led to no arrests.