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About color: What is a LUT

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http://www.lightillusion.com/luts.html

https://www.shutterstock.com/blog/how-use-luts-color-grading

 

A LUT (Lookup Table) is essentially the modifier between two images, the original image and the displayed image, based on a mathematical formula. Basically conversion matrices of different complexities. There are different types of LUTS – viewing, transform, calibration, 1D and 3D.

 

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