Chapter 6. Defining the Color Stimulus

  1. Rolf G. Kuehni

Published Online: 28 JAN 2005

DOI: 10.1002/0471687448.ch6

Color: An Introduction to Practice and Principles, Second Edition

Color: An Introduction to Practice and Principles, Second Edition

How to Cite

Kuehni, R. G. (2004) Defining the Color Stimulus, in Color: An Introduction to Practice and Principles, Second Edition, John Wiley & Sons, Inc., Hoboken, NJ, USA. doi: 10.1002/0471687448.ch6

Publication History

  1. Published Online: 28 JAN 2005
  2. Published Print: 8 OCT 2004

ISBN Information

Print ISBN: 9780471660064

Online ISBN: 9780471687443

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Keywords:

  • CIE system;
  • colorimetry;
  • color matching;
  • illuminants;
  • metamerism;
  • optimal object color solid;
  • psychophysics

Summary

In this chapter the background and development of the international system of specifying color stimuli, the CIE colorimetric system, is discussed. Such a system makes it possible to calculate the optimal object color stimulus solid for a given light source: all real object color stimuli have to fall within its surface. The CIE system has been used not just to define color stimuli but also to build mathematical models for complex visual processes such as color difference calculation or color appearance modeling. The limitations of the CIE system as a basis of such calculations are touched on.