Artifact [372d7baa3b]

Artifact 372d7baa3bf660aabcb59e1c432bda05f079fe64:

Wiki page [Dithering] by user 2014-02-02 19:15:14.
D 2014-02-02T19:15:14.637
L Dithering
P 2855b0b5c988adf5daa600320596f32a8ac71753
U user
W 1249
<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"/>
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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"/>
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Output image for <b>general Sierra Two Rows</b>:<br/>
<img src="/doc/tip/out/dithgen_sierra2.jpg"/>
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Output image for <b>general Sierra Low</b>:<br/>
<img src="/doc/tip/out/dithgen_sierralow.jpg"/>
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Output image for <b>general Floyd-Steinberg</b>:<br/>
<img src="/doc/tip/out/dithgen_floyd.jpg"/>
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Output image for <b>general False Floyd-Steinberg</b>:<br/>
<img src="/doc/tip/out/dithgen_falsefloyd.jpg"/>
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Output image for <b>general Jarvis</b>:<br/>
<img src="/doc/tip/out/dithgen_jarvis.jpg"/>
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Output image for <b>general Stucki</b>:<br/>
<img src="/doc/tip/out/dithgen_stucki.jpg"/>
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Output image for <b>general Atkinson</b>:<br/>
<img src="/doc/tip/out/dithgen_atkinson.jpg"/>
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Z 22c02f3899f28d5dec7220a352f61aa6