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A model of how interreflections can affect color appearance

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Zitation

MS, L.(1999). A model of how interreflections can affect color appearance (70).


Zitierlink: http://hdl.handle.net/11858/00-001M-0000-0013-E639-6
Zusammenfassung
Most studies of surface color appearance ignore 3-D illumination phenomena such as shadows and interreflections. In this paper I address these phenomena directly. I consider a family of ideal surfaces, namely spherical concavities excavated from a ground plane and illuminated under uniform diffuse lighting. The color signal reflected from such surfaces is described by a simple mathematical model. I use this model and CIELAB coordinates to perform a parametric study of how the lightness, hue, and chroma of the reflected color signal vary with the concavity aperture. I find that interreflections significantly affect the color appearance of a spherical concavity, but only if the surface has high lightness.