Heikkinen, Ville Evaluation and unification of some methods for estimating reflectance spectra from RGB images. [electronic resource] - Journal of the Optical Society of America. A, Optics, image science, and vision Oct 2008 - 2444-58 p. digital Publication Type: Journal Article ISSN: 1084-7529 Standard No.: 10.1364/josaa.25.002444 doi