CLEAN : Art detectives probe what lies beneath a Fragonard

The video tutorial discusses advanced imaging techniques, including X-ray and hyperspectral IR cameras, used to analyze artworks. It highlights the discovery of hidden layers in Fragonard's painting, 'Young Girl Reading,' revealing a previous composition. The tutorial also covers conservation methods to uncover underdrawings and earlier paintings by minimizing light scattering and absorption by pigment particles.

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