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Colour Vision: Colouring the Dark [PDF]
Current Biology, 2003 Humans lose colour vision at night and it has often been assumed that this happens to other animals as well. It is not true of nocturnal moths, however: a recent study has shown that the elephant hawk moth makes use of trichromatic colour vision when seeking flowers by starlight.
Land, Michael F, Osorio, Daniel C
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A Hands-on to Teach Colour Perception: The Colour Vision Tube
Scientia in Educatione, 2017 One basic concept for understanding colour phenomena is the concept of vision. Although vision seems to be quite a natural and simple thing, students are often not familiar with the mechanism behind perceiving objects or even “the colour of objects ...
Claudia Haagen-Schützenhöfer
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Fundamentals of colour awareness: a literature review
African Vision and Eye Health, 2005 A description of some of the basic or funda-mental aspects of the colour sensory mechanism will be provided here, based on modern ideas and literature, with reference specifically to the likely origins and evolution of colour vision. The mo-lecular basis
A. Rubin
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Vision and Colour Vision [PDF]
Postgraduate Medical Journal, 1910 WITH reference to the comment on my lecture at the Royal Society of Arts in NATURE of February 17, I did not give the evidence in favour of the visual purple being the visual stimulus transformer on account of the time at my disposal. This evidence is very strong, and the facts are inexplicable on any other hypothesis.
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Real-time colour recognition in symbolic programming for machine vision systems [PDF]
, 1995 It is impossible to collect more than a tiny proportion of all of the possible examples of a given hue to form a training set for a machine that learns to discriminate colours. In view of this, it is argued that colour generelization is essential.
Batchelor, Bruce G., Whelan, Paul F.
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Delhi Journal of Ophthalmology, 2014 Congenital red-green colour deficiency is an X-linked inherited disorder more frequently encountered in males compared to females. Screening of coour deficiency is crucial in various occupations, at times to safeguard colour deficient individual as well ...
Twinkle Parmar +4 more
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Vision in-experience : investigating the interaction between the correct non-prototypical colours of colour diagnostic objects and object representation in human observers [PDF]
, 2015 Hering (1964) hypothesized that the representation of a familiar object, which primarily includes its prototypical colour on the visual, conceptual and lexical domains may significantly influence how human observers organize the object’s chromatic ...
Adeyefa-Olasupo, Ifedayo-Emmanuel
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Effect of optical defocus on colour perception
African Vision and Eye Health, 2007 Daily experience shows that colour of a very distant object cannot be accurately determined. It is assumed that visual acuity (VA) loss is one of the factors at play in this case.
R. R. Sehlapelo, A. O. Oduntan
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Prevalence of color vision deficiency among school children in Wolkite, Southern Ethiopia
BMC Research Notes, 2018 Objective Colour vision deficiency is the commonest disorders of vision and undiagnosed colour vision defect could pose a handicap to the performance of an affected student.
Gashaw Garedew Woldeamanuel +1 more
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African Vision and Eye Health, 2018 Background: Colour vision tests are becoming increasingly available on online platforms to the ordinary internet user. Limited research has been conducted to establish the validity of these tests for use as screening tools for colour deficiency. Aim: To
Diane van Staden +5 more
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