Light, we actually sense the light using both red and green sensors. Each of our color sensorsĪctually respond to a range of wavelengths. However it isn't quite as simple as that either. Is generally all about Red, Green, and Blue, or RGB. The later is why we see only greyĬone Cells, the graph right which is the response of a typical human eyeīecause of this we only sense the world in terms of Red, Green and BlueĮlectromagnetic wave lengths, and this is why images and image processing Basically in ourĮyes we have special sensors for Red, Green, Blue, and a minor lesser sensorįor peripheral and low light conditions. We see color because ourĮyes sense the physical world in very special limited way. ![]() ![]() In the physical world color is actually an illusion. To really understand color, you need to know exactly what color is. In the next section we will look at more general global modification of the Individual points and how they are represented is what we will look at in this Raster Images, which is what ImageMagick deals with (in general) basicallyĬonsists of an array of individual points or pixels of color. The LCH ColorWheel Replacing Colors in an Image (replacing specific colors).Processing Real Images Color Specification.Other Color Spaces Gamma Correction and sRGB Colorspace.Index ImageMagick Examples Preface and Index What is to Color
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