weight for refreshing model histogram

spectral reflectance of skin

difference

basis function

spectral sensitivity or spectral response

imaging geometry like photometric angles

wavelength

mean

spectral reflectance of the sample

bitmap

Charge Coupled Device

Commission Internationale de l’Éclairage

colour signal

dimension (1D, 2D or 3D)

Deutsches Institut für Normung

dichromatic reflection

independent component analysis

infrared

Kelvin (unit for colour temperature)

moving average

Normalized Colour Coordinates

Natural Colour System

nanometer

principal component analysis

red, green and blue pixel values

spectral component excluded

spectral component included

self-organizing map

spectral power distribution of illumination

singular value decomposition

University of Oulu

World Wide Web