Fig. 2
From: Visible and infrared imaging spectroscopy of paintings and improved reflectography
Results from reflectance imaging spectroscopy of Pablo Picasso’s Peonies (1901). Gift of Mrs. Gilbert W. Chapman, 1981.41.1, National Gallery of Art, Washington DC. a Color image. b False–color image showing the locations to which the spectral endmembers map. c Plot of endmember spectra, assigned to (1) cadmium yellow and vermilion, (2) emerald green, (3) cobalt blue, (4) “brown paint,” (5) zinc white, (6) Prussian blue, (7) vermilion, (8) yellow (zinc), (9) red dye