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CIE Publ 15.2. Vienna: CIE Central Bureau
- Publisher
- Wiley
- Copyright
- Copyright © 1999 John Wiley & Sons, Inc.
- ISSN
- 0361-2317
- eISSN
- 1520-6378
- DOI
- 10.1002/(SICI)1520-6378(199902)24:1<38::AID-COL8>3.0.CO;2-I
- Publisher site
- See Article on Publisher Site
Abstract
In this article, we report new color discrimination ellipsoids calculated from two normal observers, using a CRT device and five values of luminance at each of the five centers recommended by the CIE in 1978 (Col Res Appl 1978;3:149–151). Our main goal was to test the weighting function for lightness adopted by the CIE94 color‐difference model (CIE Publication 116, 1995). Although some of the experimental conditions employed here (CRT monitor, small size of the visual field, and controlled exposure time) did not fit those recommended by this model, our results support the weighting function for lightness proposed by CIE94. The only robust trends observed in the ellipsoids obtained were a confirmation of Weber's law and a decrease in the area of the x, y chromaticity ellipses, when the luminance of each reference stimulus increased towards the one of the surround. © 1999 John Wiley & Sons, Inc. Col Res Appl, 24, 38–44, 1999
Journal
Color Research & Application – Wiley
Published: Feb 1, 1999