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Seeing unique hues

Journal of the Optical Society of America A, 2005
Hue can be described by four separate sensations of red (R), green (G), yellow (Y), and blue (B). These are combined in the spectrally opponent RG and YB mechanisms, whose null points correspond to the unique sensations of Y, G, B. Participants used a form of magnitude estimation to describe color appearance of light flashes that were systematically ...
Israel, Abramov, James, Gordon
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Colour Discrimination and Hue

Nature, 1969
DURING two short stays by one of us (T. H.) at the Laboratorium fur Farbenmetrik we have measured just noticeable colour differences for pairs of optimal colours, complementary with respect to a white surrounding field. These preliminary observations indicate a correlation between colour discrimination and hue.
T, Holtsmark, A, Valberg
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The Categories of Hue in Infancy

Science, 1976
Infant looking time was monitored during habituation to the repeated presentation of a wavelength stimulus selected from one basic adult hue category and after a change in stimulation. Recovery from habituation was greater to a wavelength selected from an adjacent hue category than to a wavelength from the same category even though these two stimuli ...
M H, Bornstein, W, Kessen, S, Weiskopf
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Hue

Educational Media Reviews Online, 2015
Distributed by National Film Board of Canada, 1123 Broadway, Suite 307, New York, NY 10010; 800-542-2164Produced by Tina Pehme, Kim C. Roberts, Selwyn Jacob, Dawn BrettDirected by Vic Sarin2014, DVD, color, 85 min. Canadian filmmaker Vic Sarin travels around the world to explore colorism—the prejudice within races against people with darker skin colors.
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College Blues and Hues

Obstetrics & Gynecology, 2007
Vulvar ulcerations are an entity that practicing gynecologists frequently encounter in daily practice.A 21-year-old nulliparous college student presented with a 3-day history of itching to the genital area with associated tenderness and sore bumps. She was initially treated for vulvovaginal candidiasis and instructed to return several days later for ...
Tasha R, Johnson, Mary S, Landry
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Importance of hue: the effect of saturation on hue–chroma asymmetries

Journal of the Optical Society of America A
Color spaces based on the cardinal color mechanisms, such as DKL, are not perceptually uniform: just-noticeable differences (JNDs) for chroma (and saturation) are larger than for hue, particularly in the orangish and less so in the purplish region. There is evidence that points of equal distance from the achromatic axis are not perceived as equally ...
Laysa Hedjar   +2 more
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A STUDY OF HUE IDENTIFICATION IN THE HUE CIRCLE OF THE HSB COLOR SPACE

Perceptual and Motor Skills, 2005
The purpose of the present research was to explore the relationship between the sensory difference in hues in the hue circle of the HSB color space and their included angles in identification tasks. In the experiment, the two colors were presented separately, and the test subjects judged whether the two colors were the same or different.
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Educating the educators at Hue Medical College, Hue, Viet Nam

International Nursing Review, 2008
Background:  In June 2005, four faculty members from Temple University, Philadelphia, USA, conducted a nursing educator workshop in Hue, Viet Nam. Didactic and clinical instruction addressed paediatric, maternity, psychiatric and surgical nursing content as well as instructional methods and student evaluation techniques.
A L, Pron   +3 more
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Metacontrast in hue substitution

Vision Research, 1981
Metacontrast, the lessening in visibility of a target flash when it is followed by flanking masking flashes, was reported to be abolished when the target and mask were defined by “hue substitution”—a change in field hue with no change in luminance (Bowenet al., 1977).
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Fundamental scales of hue appearance and discrimination

Color Research and Application, 2023
Mark D Fairchild
exaly  

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