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Art and Design - 04.02.2020
New algorithm helps uncover forgotten figures beneath Da Vinci painting
Imperial and National Gallery researchers have used a new algorithm to help visualise hidden drawings beneath Leonardo Da Vinci's Virgin of the Rocks. Imperial College London's Professor Pier Luigi Dragotti and National Gallery 's Dr Catherine Higgitt used the new algorithm combined with a technique called macro X-ray fluorescence (MA-XRF) scanning, which maps chemical elements within paintings.