What is LUT?

LUT, or look-up table, is a mathematical function that transforms input color values to output color values. It is commonly used in 3D visualization to accurately represent the colors of objects.

LUTs are often used to correct for color errors in images. For example, if an image appears too red, a LUT can be used to adjust the colors so that they appear more accurate.

LUTs can also be used to change the overall appearance of an image. For example, a LUT can be used to make an image appear darker or lighter.

LUTs are typically created by using software that calculates the transformation function based on a set of input and output color values. Once the LUT is created, it can be applied to any image.

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