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False color
Methods of visualizing information by translating to colors / From Wikipedia, the free encyclopedia
False colors and pseudo colors respectively refers to a group of color rendering methods used to display images in colors which were recorded in the visible or non-visible parts of the electromagnetic spectrum. A false-color image is an image that depicts an object in colors that differ from those a photograph (a true-color image) would show. In this image, colors have been assigned to three different wavelengths that human eyes cannot normally see.
![Thumb image](http://upload.wikimedia.org/wikipedia/commons/thumb/2/21/Moon_Crescent_-_False_Color_Mosaic.jpg/640px-Moon_Crescent_-_False_Color_Mosaic.jpg)
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In addition, variants of false colors such as pseudocolors, density slicing, and choropleths are used for information visualization of either data gathered by a single grayscale channel or data not depicting parts of the electromagnetic spectrum (e.g. elevation in relief maps or tissue types in magnetic resonance imaging).