Not a new problem, but the technology to create counterfeit images has certainly increased over the years. This is an interesting article on detecting doctored images (aqui)
“Hany Farid, a computer scientist at Dartmouth College, is bringing mathematics to the rescue. He has created mathematical tools to determine whether a digital photograph was altered after being taken. His methods work so well that the Associated Press now asks him to scrutinize any photo that seems fishy.”
It’s true I submitted this picture of me in the 3rd grade and they used the software to determine it was “fishy”
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[…] 2. Counterfeit reality: Photoshop and similar technologies have dramatically expanded the ability for people to manipulate images, in many cases to the point that it becomes nearly impossible, without sophisticated methods, to determine the validity of such images. Just like in years past there has been no shortage of political Photoshop, for the most part these have been more for humorous purposes, but it wouldn’t be difficult to imagine counterfeit reality being used to demean a candidate, misrepresent a situation, or create an international incident (here) […]