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<!-- subject="Re: detrammage" -->
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<title>sane-devel: Re: detrammage</title>
<h1>Re: detrammage</h1>
<b>Klaus Espenlaub</b> (<a href="mailto:espenlaub@informatik.uni-ulm.de"><i>espenlaub@informatik.uni-ulm.de</i></a>)<br>
<i>Thu, 02 Dec 1999 15:17:19 +0100</i>
<p>
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Philippe Amelant wrote:<br>
<i>&gt; </i><br>
<i>&gt; hi, i 'am french and i don't speak english very well so</i><br>
<i>&gt; please be indulgent.</i><br>
<i>&gt; </i><br>
<i>&gt; i vould like to know howto make a "detrammage"</i><br>
<i>&gt; i don't know the english word to say that...</i><br>
<i>&gt; this operation is required when you scan from à mag</i><br>
<i>&gt; else you obtain an ugly image...</i><br>
<i>&gt; i hope you understand what i mean ...</i><br>
<p>
In gimp you can use the despeckle filter (Filters|Enhance|Despeckle).<br>
I normally turn off all fancy options (adaptive and recursive) and<br>
use a radius of 5 (you can lower this if you scan at lower resolutions).<br>
Caution: the despeckle filter takes ages if you have large images.<br>
If somebody knows a faster filter that looks reasonable, please tell<br>
me.<br>
<p>
I scan at the highest reasonable scanner setting (usually 600dpi), then<br>
apply the filter. I usually scale the image down to 300dpi or lower<br>
to save space - the printers cannot print at these resolutions anyway.<br>
<p>
Klaus<br>
<p>
<pre>
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<li> <b>Next message:</b> <a href="0018.html">Nick Lamb: "Re: SANE Net backend suggestion..."</a>
<li> <b>Previous message:</b> <a href="0016.html">Eric Galluzzo: "Re: Microtek2 X6EL problems"</a>
<li> <b>Maybe in reply to:</b> <a href="0006.html">Philippe Amelant: "detrammage"</a>
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<li> <b>Next in thread:</b> <a href="0027.html">Dave Hill: "Re: detrammage"</a>
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