Deriving Spectral, Reflectance Functions of Computer‐Simulated Object Colours | Zendy

Schettini R. | Zendy

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Deriving Spectral, Reflectance Functions of Computer‐Simulated Object Colours

Author(s) -

Schettini R.

Publication year - 1994

Publication title -

computer graphics forum

Language(s) - English

Resource type - Journals

SCImago Journal Rank - 0.578

H-Index - 120

eISSN - 1467-8659

pISSN - 0167-7055

DOI - 10.1111/1467-8659.1340211

Subject(s) - standard illuminant , spectral power distribution , reflectivity , artificial intelligence , rgb color model , computer vision , computer science , object (grammar) , cathode ray tube , computer graphics (images) , mathematics , optics , physics

A method is presented which, given the RGB values of a colour stimulus displayed on a given cathode ray tube (to which a CIE XYZ triple corresponds), makes it possible to find a spectral reflectance function characterizing an object colour. Such an object when “illuminated” by a given illuminant produces a metameric spectral power distribution, that is, one with the same XYZ tristimulus values. The method is useful in the colorimetric matching of colours on different media or supports.

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