Learning objectives
Knowledge of the Colorimetry for the preservation, restoration and illumination of a cultural good.
Course unit content
Elements of physiology of the visual system. CIE standard illuminants and standard light sources. Radiometric quantities (International System). Photometric quantities (CIE 1924 and CIE 1988 standard photometric observers). Tristimulus space and conventional observers (CIE31, CIE64) and reference frames (RGB, XYZ, LMS, …). Psychometric systems CIE 1976 (CIELAB and CIELUV). Spectral reflectance factor measurement. Colorimetric computations (CIE and ASTM norms). Colour-difference formulae (CMC, CIE 94, CIE 2000). Colourant formulation (eq. K-M-S). Screen plate printing (Neugebauer equation). Television, computer monitor, digital camera, scanner (sRGB standard). Metamerism index, whiteness index, tint index, gloss factor. Fluorescent colours. Colour atlases (Munsell, DIN, OSA-UCS, NCS). Colorimetry and Cultural Goods.
Bibliography
a cura di Claudio Oleari, Misurare il colore, Hoepli editore, Milano 1998<br />
Teacher notes.