language: en
tags:
- Video
+description: Adjust image luma using a non-linear power-law curve.
+parameters:
+ - identifier: argument
+ title: Gamma
+ type: float
+ description: The exponential factor of the power-law curve
+ default: 1.0
+ - identifier: gamma
+ title: Gamma
+ type: float
+ description: See "argument"
+ mutable: yes
+ default: 1.0