Some deepfake videos present a convincing pulse
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Deepfake videos that feature digital manipulations of people’s facial expressions and voices can also depict realistic heartbeats, making them even harder to spot.
“We now know that just because a person in a video has a measurable pulse, it doesn’t mean that we can assume they are real,” says Hany Farid at the University of California, Berkeley, who was not involved in the research.
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