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Color oracle color blind11/7/2022 Protanopes, deuteranopes and tritanopes respectively lack or have malfunctioning L, M, or S cone cells.ĬVD simulations based on physiological experiments generally consists in transforming the image to a color space where the influence of each kind of cone cells is explicit and can be decreased or removed easily. Most color vision deficiencies can be explained by one type of cone cells not behaving properly. Their response over the light spectrum is shown below. L cones capture Long-wavelength (~red), M cones capture Medium-wavelength (~green) and S cones capture Short-wavelength (~blue). Humans with normal vision have 3 kinds of cells, sensitive to different light wavelengths. Human color perception is achieved via cone cells in the retina.The wikipedia page, and the chroma-phobe youtube channel are a good start, but here are some key facts to follow this article: There are many online resources to understand CVD in detail. Most correction tools start by simulating how a person with CVD would see the image, and then find some way to spread the lost information into the channels that are better perceived or playing with the light intensity to restore the contrast. Create tools to enhance images and help color blind people in their daily tasks.
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