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Journal of the Optical Society of America A

Journal of the Optical Society of America A

| OPTICS, IMAGE SCIENCE, AND VISION

  • Editor: Franco Gori
  • Vol. 31, Iss. 4 — Apr. 1, 2014
  • pp: A38–A46

The Verriest Lecture: Visual properties of metameric blacks beyond cone vision

Françoise Viénot and Hans Brettel  »View Author Affiliations


JOSA A, Vol. 31, Issue 4, pp. A38-A46 (2014)
http://dx.doi.org/10.1364/JOSAA.31.000A38


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Abstract

The generic framework of metamerism implies that the number of sensors is smaller than the dimension of the stimulus. The metameric black paradigm was introduced by Wyszecki [Farbe 2, 39 (1953)] and developed by Cohen and Kappauf [Am. J. Psychol. 95, 537 (1982)]. Within a multireceptor and multiprimary scheme, we investigate how far the choice of illumination can isolate a photoreceptor response. The spectral profiles of the fundamental metamers that correspond to a collection of ( x , y ) values over the chromaticity diagram are shown. When the luminance is set at a fixed value, the relative excitation of the melanopsin cells and of the rods elicited by the fundamental metamers varies over the chromaticity diagram. The range of excitation of the melanopsin cells and of the rods that could be achieved at a given chromaticity, by manipulating the metameric black content, is examined. When only the melanopsin excitation is manipulated, the range of melanopsin excitation that can be achieved is rather limited. On the chromaticity diagram, the largest range of variation of the rods and the melanopsin cells excitation is obtained for ( x , y ) chromaticity coordinates near ( 1 / 3 , 1 / 3 ) . Extension of Cohen’s procedure to rod and cone metamers is proposed. The higher the number of spectral bands, the wider the choice of metameric lights.

© 2013 Optical Society of America

OCIS Codes
(330.1720) Vision, color, and visual optics : Color vision
(330.1715) Vision, color, and visual optics : Color, rendering and metamerism
(330.4595) Vision, color, and visual optics : Optical effects on vision

ToC Category:
Verriest Lecture

History
Original Manuscript: October 3, 2013
Manuscript Accepted: October 31, 2013
Published: December 19, 2013

Virtual Issues
Vol. 9, Iss. 6 Virtual Journal for Biomedical Optics

Citation
Françoise Viénot and Hans Brettel, "The Verriest Lecture: Visual properties of metameric blacks beyond cone vision," J. Opt. Soc. Am. A 31, A38-A46 (2014)
http://www.opticsinfobase.org/josaa/abstract.cfm?URI=josaa-31-4-A38

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