Fake news, hoax images: How to spot a digitally altered photo from the real deal

A shark swimming down a flooded road. A bunch of missiles blasting off in unison during an Iranian missile test.

At first glance they might seem reasonable, but digitally altered images are everywhere, spreading like wildfire on news sites and social media.

So how can you tell if that photo your uncle shared on Facebook is authentic — or has been manipulated?

Image forensic experts have a few tools to spot images that have been tinkered with.

Algorithms can spot cloned areas, like the extra Iranian missile inserted into a launch photo (although, just looking at it, that one is pretty obvious).

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Source: ABC Au

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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Source: Straits Times

Source: Straits Times

The dangerous new technology that will make us question our basic idea of reality

US president Donald Trump—fake-news provocateur—now denies that the infamous “Access Hollywood” tape is real.

Of course we know that the recording, in which he makes lewd remarks about sexually assaulting women, is authentic. Everyone has seen and heard it, Billy Bush was fired because of it, and Trump himself confirmed that it was him in a video statement last October. Except for die-hard Trump supporters, few will probably believe the president’s attack on the authenticity of the recording. But Trump’s assertions foreshadow a fight for reality that might become too real, too soon.

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Source: Quartz

Source: Quartz