The man who became a Blue Glass. Reflectance hyperspectral imaging discloses a hidden Picasso painting of the Blue period

Costanza Cucci,Marcello Picollo,Lorenzo Stefani, Reyes Jiménez

Journal of Cultural Heritage（2023）

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摘要

•Imaging spectroscopy discloses the secrets of Picasso's painting “La Copa Blava”.•Reflectance hyperspectral imaging enabled visualisation of earlier versions of the painting.•New-insights on the Picasso Blue period are gained with imaging spectroscopy.•Reflectance hyperspectral imaging has a potential for museums educational tasks.

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关键词

Hyperspectral imaging,Paintings,Vis-NIR-SWIR reflectance spectroscopy,Non-invasive investigations,Pigments analysis,Picasso Blue period

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