Color Processing

Mathematica provides convenient functions and algorithms for manipulating colors in images, with full generality for arbitrary numbers of color channels.

ImageAdjust — adjust levels, brightness, contrast, gamma, etc.

Lighter   ▪ Darker   ▪ Opacity

ImageHistogram — histogram of levels by channel

ImageLevels — tally of levels in each channel

ColorConvert — convert between color spaces

ColorSeparate , ColorCombine — separate, combine color channels

ColorNegate — negate color values

Binarize — reduce any image to black and white

ColorQuantize — reduce the color palette of an image

AlphaChannel — the alpha channel of the image

SetAlphaChannel   ▪ RemoveAlphaChannel

ImageApply — apply an arbitrary function to each pixel value

Pseudocolor Images »

Colorize — create pseudocolor images

ReliefImage — create an image from data using simulated relief

ColorData — data on a large number of useful color schemes

Colors »

RGBColor   ▪ GrayLevel   ▪ Hue   ▪ Red   ▪ Blend   ▪ ColorSlider   ▪ ...

Image Representation »

ImageData   ▪ ImageChannels   ▪ ImageType   ▪ ColorSpace   ▪ ...

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