Facebook contest shows just how hard it is to detect deepfakes

Facebook has revealed the winners of a competition for software that can detect deepfakes, doctored videos created using artificial intelligence. And the results show that researchers are still mostly groping in the dark when it comes to figuring out how to automatically identify them before they influence the outcome of an election or spark ethnic violence.

The best algorithm in Facebook’s contest could accurately determine if a video was real or a deepfake just 65% of the time.

Facebook chief technology officer Mike Schroepfer said even an imperfect system could help Facebook by deterring less technically skilled people from trying to

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