Quote:
Originally Posted by Aquarian Sports Cards
If computers can be good enough for facial recognition in casinos, a living, moving target, I don't understand how they can't be used to, at a bare minimum, recognize a card it has seen before. Also that is what I believe PSA is using Kevin's software for right now. Nat Turner is on record as hating the crack and resubmit game so this makes sense. Of course when things get back to normal it'll be interesting to see if the lost revenue from said game causes a change of heart on the matter.
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I would bet they use gait, speech, height, and other characteristics along with the image.
This is a few years old but its not easy to tell twins apart,
https://cacm.acm.org/news/226789-dis...twins/fulltext. You can think of all copies of a card as a twin.