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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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Item Permalink: https://hdl.handle.net/11858/00-001M-0000-0013-E639-6 Version Permalink: https://hdl.handle.net/21.11116/0000-0002-8E2D-D
Genre: Report

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MPIK-TR-70.pdf (Publisher version), 183KB
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 Creators:
Langer, MS1, 2, Author           
Affiliations:
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: Issued
 Pages: 6
 Publishing info: Tübingen, Germany : Max Planck Institute for Biological Cybernetics
 Table of Contents: -
 Rev. Type: -
 Identifiers: Report Nr.: 70
BibTex Citekey: 1538
 Degree: -

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Title: Technical Report of the Max Planck Institute for Biological Cybernetics
Source Genre: Series
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Pages: - Volume / Issue: 70 Sequence Number: - Start / End Page: - Identifier: -