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Theoretical analysis of inter‐observer variability in the determination of luminance thresholds
Author(s) -
Carreño Fernando,
Ezquerro José Miguel,
Zoido Jesús M.
Publication year - 2006
Publication title -
color research and application
Language(s) - English
Resource type - Journals
SCImago Journal Rank - 0.393
H-Index - 62
eISSN - 1520-6378
pISSN - 0361-2317
DOI - 10.1002/col.20259
Subject(s) - luminance , observer (physics) , matching (statistics) , mathematics , psychophysics , perception , computer science , artificial intelligence , optics , computer vision , statistics , physics , psychology , neuroscience , quantum mechanics
We present an analytical method to analyze, from a theoretical point of view, the influence of color‐matching functions on the perception of luminance thresholds. We show that the thresholds depend on the spectral responsivities of each observer. We also analyze the influence of luminance level on the thresholds: a strong inter‐observer variability is found at low or moderate luminance levels (0.02 < Y < 1 ft−L ) whereas at high intensities (1 < Y < 7 ft−L ) the thresholds are observer‐independent. © 2006 Wiley Periodicals, Inc. Col Res Appl, 31, 468–474, 2006; Published online in Wiley InterScience (www.interscience.wiley.com). DOI 10.1002/col.20259