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  A model of how interreflections can affect color appearance

Langer, M.(1999). A model of how interreflections can affect color appearance (70). Tübingen, Germany: Max Planck Institute for Biological Cybernetics.

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MPIK-TR-70.pdf (Publisher version), 183KB
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Langer, MS1, 2, Author              
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1Department Human Perception, Cognition and Action, Max Planck Institute for Biological Cybernetics, Max Planck Society, ou_1497797              
2Max Planck Institute for Biological Cybernetics, Max Planck Society, Spemannstrasse 38, 72076 Tübingen, DE, ou_1497794              

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 Abstract: 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.

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 Dates: 1999-10
 Publication Status: Published in print
 Pages: 6
 Publishing info: Tübingen, Germany : Max Planck Institute for Biological Cybernetics
 Table of Contents: -
 Rev. Type: -
 Identifiers: Report Nr.: 70
BibTex Citekey: 1538
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Title: Technical Report of the Max Planck Institute for Biological Cybernetics
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Pages: - Volume / Issue: 70 Sequence Number: - Start / End Page: - Identifier: -