gamma_correction
Gamma correction
Image processing
https://www.whiteboxgeo.com/manual/wbw-user-manual/book/tool_help.html#gamma_correction
QgsProcessingParameterRasterLayer|inputRaster1|Raster (Raster)|None|False
QgsProcessingParameterNumber|gamma_value2|Gamma value (float)|QgsProcessingParameterNumber.Double|0.5|False|None|None
QgsProcessingParameterRasterDestination|fnOutput|Output (Raster)|None|False
