ACES Color Management

Sun, 30 Jan 2022 03:05:09 +0800

Reference articles

https://docs.blender.org/manual/en/latest/render/color_management.html

https://rmanwiki.pixar.com/display/REN24/Color+Management

https://www.arri.com/en/learn-help/learn-help-camera-system/camera-workflow/image-science/aces

https://github.com/colour-science/OpenColorIO-Configs

https://acescentral.com/knowledge-base-2/using-aces-reference-images/

https://opencolorio.readthedocs.io/en/latest/configurations/aces_1.0.3.html

Talk about Gamma Correction

Table[x^2.2, {x, 0, 1, 0.1}]
{0., 0.00630957, 0.0289912, 0.0707403, 0.133209, 0.217638, 0.325037, \
0.456263, 0.612066, 0.79311, 1.}

Table[x, {x, 0, 1, 0.1}]
{0., 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1.}

Table[x^(1/2.2), {x, 0, 1, 0.1}]
{0., 0.351119, 0.481157, 0.578533, 0.659353, 0.72974, 0.792793, \
0.850335, 0.903545, 0.953238, 1.}

#^2.2 & /@ Table[x^(1/2.2), {x, 0, 1, 0.1}]
{0., 0.1, 0.2, 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1.}

To get a preliminary understanding of the gamma function, it can be seen from the above expression that the transformation obtained by the gamma function 2.2, we can keep the input and output in a linear relationship by the inverse gamma function 1/2.2.

Color Management on CineNeural

ACES Color Management

Reference articles

Talk about Gamma Correction