WOLFRAM|DEMONSTRATIONS PROJECT

Error-Diffusion Dither Patterns

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grid size
80
kernel
general
Floyd-Steinberg
minimal
gray level
0.3
parameters for general:
a
0.5
b
0
c
0.5
To approximate a gray level on a display with only black or white pixels requires an algorithm which turns pixels on or off to achieve the correct average overall level. Change the kernel or the parameters to see different ways to diffuse the "error" accumulated on each successive line.