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AI recreates videos people are watching by reading their minds


Scientist

AI recreates videos people are watching by reading their minds

Technology 26 November 2019 By Matthew North AI is learning to read brain wavesmonsitj/iStock/Getty ImagesArtificial intelligence is getting better at reading your mind. An AI could guess what videos people were watching purely from their brainwaves. Grigory Rashkov at Russian research firm Neurobotics and colleagues trained an AI using video clips of different objects and…

AI recreates videos people are watching by reading their minds


Technology



26 November 2019

By Matthew North

A brain wave coming out of a silhouette head

AI is learning to read brain waves

monsitj/iStock/Getty Images

Artificial intelligence is getting better at reading your mind. An AI could guess what videos people were watching purely from their brainwaves.

Grigory Rashkov at Russian research firm Neurobotics and colleagues trained an AI using video clips of different objects and brainwave recordings of people watching them. The recordings were made using an electroencephalogram (EEG) cap and the video clips included nature scenes, people on jet skis and human expressions.

The AI then tried to categorise and recreate the videos from the EEG data alone. In 210 out of 234 attempts the AI successfully categorised each video, by providing tags such as waterfalls, extreme sports, or human faces.

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Visually, the AI seemed to have the most success in recreating the primary themes of the images, such as large shapes and colours. More nuanced details such as those found on human faces were more difficult to recreate with most appearing distorted and beyond recognition.

Mind-reading AIs are still only looking at the surface of human thought, says Victor Sharmas from the University of Arizona. “What we are currently seeing is a caricature of human experience but nothing remotely resembling an accurate re-creation, he says.

Reference: biorxiv.org/content/10.1101/787101

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