PARIS (Reuters) - A French art expert believes a charcoal drawing kept in a collection for more than 150 years may be a preparatory sketch made by Leonardo da Vinci of the Mona Lisa. The ...
“On the request of the Louvre Museum, Mona Lisa’s portrait was digitised with Lumiere Technology's high-resolution multispectral camera,” the researchers explain in their paper: The camera beamed ...
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