Leggo My Van Gogh

Friday, July 18, 2008 - 13:49 in Astronomy & Space

Detecting art forgeries is an inexact science—even some certified masterpieces have a cloud of doubt over their authenticity. But in recent years James Z. Wang and his colleague Jia Li have been putting Van Gogh under the microscope to create a database they hope will eventually thwart art fakers and revolutionize the detection of forgeries. Using 23 high-resolution gray scale images known to be by Van Gogh, the Penn State team broke the images down into 2.5 x 2.5 inch squares, analyzing “wavelet” based texture features and the geometric characteristics of the master’s brushstrokes. read more

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