Insights
500,000 faces, one false alarm: what the rail facial-recognition trial really tells us
British Transport Police scanned more than half a million faces at London stations over six months. The system raised a single alert, and it was wrong. Before this is filed under 'surveillance that failed', it is worth understanding why the numbers came out as they did, because the lesson is not the one either side is shouting, and it applies to any organisation thinking about biometrics.
Peter Bassill10 min read · 5 reads