Facial recognition system had 7 percent hit rate at 2017 Champions League Final

NEC system trialled at UEFA Champions League Final by South Wales Police produced almost 2,300 false positives.

South Wales Police said the high number of false positives at the Cardiff final was due to poor quality images supplied by UEFA, Interpol, and other agencies; an old NEC algorithm; and it being the first major deployment.

Source: Facial recognition system had 7 percent hit rate at 2017 Champions League Final | ZDNet