Whether intentionally or to save money on supplies, artists throughout history have re-used canvases. That means that, sometimes, hidden beneath the surface of the paint, there’s buried treasure.

In recent years, finding that treasure has gotten much easier. As non-invasive ultraviolet, infrared, and x-ray techniques improve, researchers are revealing images once considered forever locked away.

Indeed, there’s something of a gold rush around such images. A few scientists are even trying to resurrect them as new works of art, with the London-based project Oxia Palus training AI to take underpainted images by Picasso, Van Gogh, and Modigliani and render them as paintings (and, of course, as NFTs).

Excited by this influx of new artworks being found, Artnet News has gathered together some of the most astounding underpainting discoveries of the last few years.

Η συνέχεια εδώ.