AI-Generated Faces Indistinguishable From Real Faces, Shows Study

AI-created content is being “weaponised” for financial fraud and disinformation campaigns, the researchers said.

By Edited by Gadgets 360 Newsdesk | Updated: 15 February 2022 14:15 IST

AI-Generated Faces Indistinguishable From Real Faces, Shows Study

Photo Credit: Unsplash/ @Sharonmccutcheon

Researchers found the average rating for fake faces was 7.7 percent more trustworthy than for real faces

Highlights

Researchers asked participants to distinguish AI-created faces from real
They also asked participants about the level of trust the faces evoked
Results showed AI-generated faces were highly photo-realistic

The rapid adoption of Artificial Intelligence has major implications for our privacy. A new study by two researchers shows that it is becoming increasingly difficult for people to distinguish between a face created using AI and a real face. Startlingly, the researchers said their study has shown that fake images are more trustworthy than real ones. Researchers are now calling for more safeguards to prevent “deep fakes” from usurping our lives. Researchers have warned about the serious implications, saying AI-synthesized text, audio, image, and video have already been used for fraud, propaganda, and “revenge porn”.

Researchers have asked participants to distinguish faces created using the state-of-the-art StyleGAN2 from those that were real. They also asked the participants about the level of trust the faces evoked in them. The results were surprising. They revealed that synthetically generated faces were highly photo-realistic and difficult to distinguish from real faces. The participants judged them to be more trustworthy as well.

During the initial experiment, the accuracy rate of participants was found to be only 48 percent. During the second experiment, the rate improved marginally to only 59 percent, despite the training from the first round. Researchers then conducted a third round to ascertain trustworthiness. With the same set of images, they found the average rating for fake faces was 7.7 percent more trustworthy than the average rating for real faces.

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AI–synthesised text, audio, image, and video are being “weaponised” for the purposes of non-consensual intimate imagery, financial fraud, and disinformation campaigns, the researchers said in the study, published in Proceedings of the National Academy of Sciences (PNAS). “Our evaluation of the photorealism of AI-synthesized faces indicates that synthesis engines have passed through the uncanny valley and are capable of creating faces that are indistinguishable — and more trustworthy —than real faces” they added.

The study authors — Sophie Nightingale from Lancaster University and Hany Farid from the University of California — also warned about the scenario where people would be unable to identify AI-generated images. “Perhaps most pernicious is the consequence that, in a digital world in which an image or video can be faked, the authenticity of any inconvenient or unwelcome recording can be called into question.”

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The researchers have proposed some guidelines against deep fakes. These safeguards include incorporating robust watermarks into the image- and video-synthesis networks.

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