this post was submitted on 03 May 2026
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Guilty until proven innocent: shoppers falsely identified by facial recognition system struggle to clear their names (www.theguardian.com)
submitted 1 day ago by Deep@mander.xyz to c/technology@lemmy.world
33 comments fedilink hide all child comments
 

People shamed and ordered to leave shops after being misidentified then ‘given no help’ to investigate verdicts

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[–] RunawayFixer@lemmy.world 9 points 16 hours ago* (last edited 16 hours ago) (1 children)

Pretty much this. A 0.02% error margin when there are tens of thousands of visitors per year, means it's almost guaranteed to have errors.

99.9% ^700 = 49.6% chance of no errors occurring.
99.98% ^3466 = 50% chance of no errors occurring.
99.98% ^23000 = 1% chance of no errors occurring.

[–] Treczoks@lemmy.world 2 points 10 hours ago

Pretty much that. The customer wanted to use it for identification and authentification in one go, with lenience for dirty and injured fingers on top.