Grayworld

Grayworld

Status:

Maintained

Keyframes:

No

Source library:

avfilter

Source filter:

grayworld

Available:

On Master only:

No

Known bugs:

No

Description

This effect/filter is color constancy filter that applies color correction (adjusting the white balance) based on the gray-world assumption[1].

The LAB gray-world algorithm uses linear light, so input data should be linearized beforehand (and possibly correctly tagged).

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[1]

For more details refer to the grayworld assumption publication at researchgate.net