Nikon Z 6 Manuel technique professionnel - Page 3
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LUTs: A Primer
A "LUT", or "lookup table", is an array of preselected values
used in movie color-correction to map colors from the
original input footage to the desired colors in the final
output. Color correction is performed by looking up input
colors and assigning them new RGB values based on the
data in the table.
A lookup table that treats each of the red, green, and blue
channels separately is a "1D LUT", which cannot be used to
correct saturation or hue. Such corrections require a "3D
LUT", in which each combined RGB value maps to a single
combined value in the table.
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