An object-colour space

Research output: Contribution to journalArticlepeer-review

Abstract

Putting aside metaphorical meanings of the term, color space is understood as a vector space, where lights having the same color (i.e., subjectively indistinguishable) are represented as a point. The CIE 1931 color space, empirically based on trichromatic color measurements, is a classical example. Its derivatives, such as CIELAB and sRGB, have been successfully used in many applications (e.g., in color management). However, having been designed for presenting the color of self-luminous objects, these spaces are less suitable for presenting color of reflecting objects. Specifically, they can be used to represent color of objects only for a fixed illumination. Here I put forward a color space to represent the color of objects independently of illumination.

Original languageEnglish
Article number5
JournalJournal of Vision
Volume9
Issue number11
DOIs
Publication statusPublished - Oct 2009

Keywords

  • colour vision
  • optics
  • vision sciences

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