Fake news: A world of pixel-perfect forgeries is coming
The images are jerky, as dashcam footage often is: A car travels down an American highway, with green grass at the side of the road and leaves on the branches of passing trees. At first glance, the video seems utterly mundane - but its very ordinariness is extraordinary, because this landscape never existed.
Over the past 18 months, researchers from around the world have made huge advances in manipulating pictures, images and sound using "machine learning" - artificial intelligence (AI) programs that continually refine their output. The success suggests that within the next decade we might live in a world full of pixel-perfect fake news. How will we ever trust our eyes again?
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