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A creepy AI transfers the facial expressions of one person to another to create eerily realistic 'deep fake' videos.
The software accurately flips a segment of one video - such as the mouth of a character - to the style of another to create life-like fake clips.
Video - Team - Mouth - Movements - John
A video produced by the team transferred the mouth movements of British comedian John Oliver onto the face of US talk-show host Stephen Colbert.
Researchers warned the technology could be used to create fake news clips that falsely put words into the mouths of politicians or other powerful figures.
Scientists - Carnegie - Mellon - University - Pittsburgh
Scientists at Carnegie Mellon University in Pittsburgh developed a new type of AI called a Recycle-GAN for their study.
It builds on a type of AI algorithm called a GAN, which stands for generative adversarial network.
GANs - AI - Videos - Analysing - Rating
GANs pit one AI against another, with the first generating new videos and the second one analysing and rating their quality before sending it back to the original bot.
Over thousands of calculations, the pair eventually become adept at their given task.
Study - Step - GAN - Fake - Videos
The new study added an extra step to make a GAN that created incredibly realistic fake videos.
The new method cycles between the two - like translating English speech into Spanish and then the Spanish back into English, to check it still makes sense.
Technology - Day
The technology could one day be useful...
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