Answer :
A three-color systems in the retina with opponent-process cells traveling to the visual brain are the two stages of color processing.
Which are the two steps in the processing of colors?
The three photopigments that make up the first stage, which is known as the receptor phase (blue, green and red cones). The second level of brain processing is when color opposition takes place. The second stage begins as early as that of the horizontal cell level and takes place at a post-receptoral level.
What is the vision opponent process theory?
One colour in a color duo mutes the other, according to the competitor process hypothesis.. For instance, we do observe reddish yellows and yellowish-greens. However, we never see the color shades of reddish-green or yellowish-blue. German physician Ewald Hering first put forth the notion inside the late 1800s.
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