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Colour perception and colour blindness March 7, 2008

Posted by David Corney in Uncategorized.
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A short post about three of my favourite things: colour vision, Matlab and the Tokyo subway system[1].

I’ve recently been reading Jeff Mather’s blog about photography and in particular, Matlab-based image processing. He describes a recent presentation by Yasuyo Ichihara about colour perception by people who are colour-blind, or “colour confused” as they seem also to be called. She (Ichihara) is part of a not-for-profit group called the “Color Universal Design Organization” (CUDO). They promote the sensible and considerate use of colour for things like presentations, graphs, street signs… and the Tokyo subway system. The same group includes Masataka Okabe and Kei Ito, who have a nice summary about the importance of colour design, including a potential importance to academics: “There is a good chance that [any] paper you submit may go to colour-blind reviewers. Suppose that your paper will be reviewed by three white males (which is not unlikely considering the current population in science), the probability that at least one of them is color-blind is whopping 22%!” Worth bearing in mind!

They also point out (more…)