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Tool to Help Journalists Spot Doctored Images Is Unveiled by Jigsaw

The New York Times – The company, owned by Google’s parent, introduced a free tool it calls Assembler to sort out real images from fake ones. “On February 4, 2020, Jigsaw, a company that develops cutting-edge tech and is owned by Google’s parent, unveiled a free tool that researchers said could help journalists spot doctored photographs — even ones created with the help of artificial intelligence. Jigsaw, known as Google Ideas when it was founded, said it was testing the tool, called Assembler, with more than a dozen news and fact-checking organizations around the world. They include Animal Politico in Mexico, Rappler in the Philippines and Agence France-Presse. It does not plan to offer the tool to the public. “We observed an evolution in how disinformation was being used to manipulate elections, wage war and disrupt civil society,” Jared Cohen, Jigsaw’s chief executive, wrote in a blog post about Assembler. “But as the tactics of disinformation were evolving, so too were the technologies used to detect and ultimately stop disinformation.” The tool is meant to verify the authenticity of images — or show where they may have been altered. Reporters can feed images into Assembler, which has seven “detectors,” each one built to spot a specific type of photo-manipulation technique. When an image has been manipulated — for instance, two images were merged together or something was deleted from the background — traces of the changes may be left behind. With a computer program that has been trained to learn from being shown example after example of what it should detect, Assembler can analyze an image and highlight where it thinks those traces are…”

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