Oct 06 2019
LUT is a modern term in Digital world of film making used by Cinematographers, Colorists, as a process of digital film making the image shot on a digital cinema camera is a set of raw data which is later converted to video for editing and finally for playing in different platforms( Theatre, youtube, computer)
The Raw data recorded in a camera which looks like a flat image nearly colorless or with less color information.
During post process that is Digital Color correction required color is brought accordingly. A LUT, or ‘Look Up Table,’ holds a set of numbers which are looked up by the software to change the color,contrast and brightness of the Image.
Colour LUTs just take in colour values and output the corresponding colours. Some LUTs change saturation, some increase contrast and some can change the input colours completely.
They are a mathematically precise way of taking specific RGB values from an image and changing them to new RGB values by changing the hue, saturation and brightness of the original footage
creating a specific look and saving colour grades is also a form LUTs which can be used or applied to other projects.