This AI Can Spot Art Forgeries by Looking at One Brushstroke

November 22, 2017 Jonathan Nessler

This AI Can Spot Art Forgeries by Looking at One Brushstroke

https://www.technologyreview.com/s/609524/this-ai-can-spot-art-forgeries-by-looking-at-one-brushstroke/

This recommended reading discusses Artificial Intelligence that is designed to spot forgeries. Legal technology designed with AI capable of detecting forgeries could have broad evidentiary implications. This AI could be used to help restrict unauthentic or forged documents from being admitted into evidence, or could help support the case that a document has been forged when prosecuting a criminal matter.

There are, of course, ethical issues that should be considered when contemplating whether using this technology at trial should be allowed. Lawyers need to stay abreast of Legaltech developments like this, in order to better represent their clients.

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Since the machine-learning algorithm was trained on specific features, the difference between it and the RNN probably points to the characteristics the neural network was looking at to detect forgeries. In this case, it was using the changing strength along a stroke—that is, how hard an artist was pushing, based on the weight of the line—to identify the artist. With both algorithms working in tandem, the researchers were able to correctly identify artists around 80 percent of the time. The researchers also commissioned artists to create drawings in the same style as the pieces in the data set to test the system’s ability to spot fakes. The system was able to identify the forgeries in every instance, simply by looking at a single stroke. “A human cannot do that,” says Ahmed Elgammal, a professor at Rutgers and one of the paper’s authors.

https://www.technologyreview.com/s/609524/this-ai-can-spot-art-forgeries-by-looking-at-one-brushstroke/

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