Fig. 4From: Visible and infrared imaging spectroscopy of paintings and improved reflectographyResults from luminescence imaging spectroscopy of Picasso’s Peonies. a Color image. b False–color luminescence image, with the 800, 750, and 700 nm spectral band images assigned to the R, G, and B color channels. c Plot of luminescence spectra obtained from three labeled sites in the cubeBack to article page