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What is a 3D LUT? - Convergent Design

June 4, 2015, 12:26 PM

https://convergent-design.com/odyssey7q-knowledge-...

A 3D LUT is a way of transforming an image, where any set of red, green and blue values at the input map to a different set of red, green and blue values at the output. Unlike a 1D LUT, where a given red value at the input will always map to the same red value at the output (like Curves in Photoshop) with a 3D LUT, the output value in each channel is affected by the input values in all three channels.

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