The Adjust Image Color Levels Node takes in an input image, and rounds dark pixels to completely black, and lighter pixels to completely white (given thresholds). This sometimes helps with color contrast in images.Inputs
A number from 0-1 that represents how much of the top image should be evident
in the output. If 0, the output is the bottom image; if 1, the output is the
top image.
The filter of interest. Brighten: brightens imagesGrayscale: makes images into grayscaleSepia: adds a mellow tone to an image, giving it an archival or vintage
appearanceSharpen: makes the outlines of an image more distinct