D 2014-02-02T19:08:33.204
L Dithering
P a2fe01181f0800a8be79e214253505745b53d3d5
U user
W 502
<h1>Dithering</h1>

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.
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Original image:<br/>
<img src="/doc/tip/stalin.jpg" width="50%"/>
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See results for ...<br/>
Output image for general Sierra:<br/>
<img src="/doc/tip/out/dithgen_sierra.jpg" width="50%"/>
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Z c055ddf536db6a1389b752f6de3ae8aa