Each function uses a number for the red, green, and blue color channels for a total of nine numbers comprising a single color decision.
The exact transformation that is applied to each color channel can vary from editor to editor.
In addition, more complicated procedures such as the mixing of color channels are possible using more advanced graphics editors.
In digitizing images, the color channels are converted to numbers.
The process is available for red/cyan color channels but may use any of the opposing color channel combinations.
Thus the filters enable each eye to see only its intended view from color channels within the single anaglyphic image.
Anaglyph images may use any combination of color channels.
One may also exploit the use of individual color channels to increase detail.
Many display and image-acquisition systems are, for various reasons, not capable of displaying or sensing the different color channels at the same site.
Each color channel is represented by a 32-bit, floating point number.