Compositing Hi-Res Stereo Images - Nuke 101: Professional Compositing and Visual Effects - page 339

This area is where Nuke's color management happens. Color management is a
topic that can—and does—fill entire topics. Here, I only have room to explain
how Nuke deals with it.
As mentioned in Chapter 4 , Nuke is a 32-bit float linear compositing system.
However, most of the images you will work with won't be linear images. Most
images are made with color correction built into them automatically in the form