LUT
A LUT, or lookup table, maps each input value to a precomputed output value and is widely used in video to convert colors in one step.
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Last mentioned A lookup table, or LUT, stores a precomputed output value for each input value, so software can look up a result instead of calculating it every time.
In video production and editing, a LUT is a color transformation table that maps input colors to defined output colors. LUTs are widely used to convert footage shot in a camera's log profile into a standard color space and to apply the same color grade consistently across clips. They come in 1D and 3D forms.
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