Jigsaw, a technology incubator at Google, has released an experimental platform called Assembler to help journalists and front-line fact-checkers quickly verify images.
How it works: Assembler combines several existing techniques in academia for detecting common manipulation techniques, including changing image brightness and pasting copied pixels elsewhere to cover up something while retaining the same visual texture. It also includes a detector that spots deepfakes of the type created using StyleGAN, an algorithm that can generate realistic imaginary faces. These detection techniques feed into a master model that tells users how likely it is that an image has been manipulated.
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Source: Google has released a tool to spot faked and doctored images | MIT Technology Review