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The retina consists of a large number of photoreceptor cells. In humans, there are three types of photoreceptor cell: specialised ganglion cells; rod cells (also known as rods); and cone cells (also known as cones).
Cones mitigate the perception of colour. There are about 6 million cones in the human eye; they are densely concentrated in the fovea and gradually become more sparse towards the outer edges of the retina.
In typical trichromat humans, there are three types of cone cell. The sensitivity ranges of these different cones overlap, to provide a continuous perception of colour across the entire visible spectrum. They are also able to detect fine details and rapid changes in the field of view.
The colours displayed in an effective camouflage pattern are usually derived from the colours that dominate any given tactical environment. Appropriate colours help a camouflage pattern to blend with its surroundings.
However, it is not enough simply to choose appropriate colours. Because there is a close relationship between the perception of colour and visual acuity, the colours must also be organised into a pattern that mimics the shapes and spatial frequencies found in the tactical environment. This mimetic element of a camouflage pattern is called a micropattern .
All Roggenwolf digital camouflage patterns incorporate palettes and micropatterns that have been determined by computer-aided analyses of representative environments. Moreover, high and low contrasts between colours, countershading, dithering, and other filtering technologies are used to design micropatterns that display more complexity at closer ranges; in this way, they also contribute to the disruptive effect of a camouflage pattern.
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All original camouflage patterns and simulations shown on this Web site are copyright © 2005–2006
[ Brad Turner ] . All rights reserved.