snow and colour calibration on a quite unknown castle

[kofa (István Kovács)]

@yasuo has posted an interesting new script for ART here:

CTL Script: RGB sigmoid curve

I have developed and published an RGB sigmoid curve script. *Purpose of this script The main purpose of developing this script is to provide a tool for more efficient restoration and editing of faded film or photographic prints images. In photographs with appropriate colors, especially landscapes, their R, G, and B histograms generally have a similar shape, although with some degree of deviation. In this case, if we take the correlation coefficients between the R, G, and B pixels, they are of…