Diffusion dithering
A method of dithering that randomly distributes pixels instead of using a set pattern.
diffusion dithering:
A method of dithering that distributes pixels randomly rather than using a set pattern.
digital: ...
There are two types of dithering: pattern and diffusion. Pattern dithering arranges pixels in a rigid pattern. Diffusion dithering applies a random pattern of pixels that adds a subtle grainy texture to the image.
 See also: True color, Shape, Resolution, Sensor, RGB
  
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