D 2014-02-02T19:09:56.562
L Dithering
P 9eddeb805e2f890282b3e5761e6242868a40b910
U user
W 641
<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="30%"/>
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See results for ...<br/><br/>

Output image for <b>general Sierra</b>:<br/>
<img src="/doc/tip/out/dithgen_sierra.jpg" width="30%"/>
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Output image for <b>general Sierra Two Rows</b>:<br/>
<img src="/doc/tip/out/dithgen_sierra2.jpg" width="30%"/>
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Z 1c6e1d601931bbb676bfa740d6ad87a1