María M. Pérez, Manuel Melgosa, Ahmed El Moraghi, and Enrique Hita, "Usefulness of cathode ray tube color displays in chromaticity-discrimination experiments," Appl. Opt. 39, 4021-4030 (2000)
Chromatic-discrimination thresholds have been determined by use of
a CRT color monitor that simulates aperture and object observation
modes. The results were compared with earlier ones [Appl. Opt. 35, 176 (1996)] that were obtained under the same
experimental observation conditions with different devices. The
differences found between the results obtained with the CRT monitor and
with visual colorimeters are of the order of magnitude of interobserver
variability (9%). However, greater differences were found
between results for CRT monitors and for illuminated samples, which
could be attributed to suboptimal distribution of the samples in color
space. The current results support the usefulness of CRT color
monitors in new chromatic-discrimination experiments.
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