Artificial intelligence (AI), advanced imaging, and three-dimensional (3D) printing revealed the portrait of a nude woman hidden beneath the surface of a Picasso painting.
The figure, which Picasso painted over while creating "The Blind Man's Meal" in 1903, was reconstructed by U.K.-based Oxia Palus, a company that resurrects lost art with technology.
Oxia Palus used X-ray fluorescence imaging and image processing to outline the concealed nude, then trained AI to add brushstrokes mimicking Picasso's style.
A heightmap gave the portrait texture, and 3D printing rendered it onto canvas.
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