User Guide

GNU Image Manipulation Program
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Here the bucket size is high, the number of buckets low. The filter looks at only the two most significant bits of every color
channel value. Now Green (0-63,192-255,0-63) is the most frequent color. The resulting color is Green (32,224,32), which is the
average of all colors possibly counted by this ‘bucket’.
15.3.10 Channel Mixer
15.3.10.1 Overview
Figure 15.39: From left to right: original image, after applying Channel Mixer filter
(a) (b)
You can find this filter through Filters → Colors → Channel Mixer.
This filter combines values of the RGB channels. It works with images with or without an alpha channel. It has monochrome
mode and a preview.
15.3.10.2 Options
Figure 15.40: ‘Channel Mixer’ filter options