Update of "Dithering"

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Artifact ID: 2855b0b5c988adf5daa600320596f32a8ac71753
Page Name:Dithering
Date: 2014-02-02 19:13:44
Original User: user
Parent: 49b36209f35692b64cc135e08f59de85f96a263c


Dithering is the algorithm for preparing of image to black-white printing (old newspapers, old books) or for old displays systems. Here is 2 different implementations: general purpose with using of matrixes defined in imsh.scm library and special dithering algorithms.
Original image:

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Output image for general Sierra:

Output image for general Sierra Two Rows:

Output image for general Sierra Low:

Output image for general Floyd-Steinberg:

Output image for general False Floyd-Steinberg: