Re: image defaults

From: Peter Kirchgessner (peter@kirchgessner.net)
Date: Mon Sep 04 2000 - 12:00:58 PDT

  • Next message: Oliver Rauch: "Re: image defaults"

    Hi Arnaud,

    usually you get those Moire-effects when scaling images that contain a
    repeating raster. You can try to scan at a different resolution. Maybe
    you can scan at a higher resolution, then apply a blur to the image and
    scale it down afterwards.

    --Peter

    Arnaud Calvo wrote:
    >
    > Hi !
    >
    > I've now full access to my scanner (thanks), moreover via xsane, as a gimp
    > plugin :-)))
    >
    > Perhaps there are infographists on this lists, so I have a question for them...
    >
    > Please have a look at www.calvo-france.com/cacharel.jpg and tell me :
    > - why do I obtain these dark spots (inside the red ellipse) when scanning
    > - with the twain driver (under win, so), I had an option called "démoirer" in
    > french, that allowed me to remove these spots when scanning. Sane doesn't have
    > it (I'm not sure about that).
    > - if i cannot do without it, how can i remove them with gimp ?
    >
    > Thanks again for your help !
    >
    > --
    > Arnaud Calvo <arnaud@calvo-france.com>
    > 49240 Avrillé
    >
    > --
    > Source code, list archive, and docs: http://www.mostang.com/sane/
    > To unsubscribe: echo unsubscribe sane-devel | mail majordomo@mostang.com

    -- 
    Peter Kirchgessner
    WWW:    http://www.kirchgessner.net
    e-mail: peter@kirchgessner.net
    

    -- Source code, list archive, and docs: http://www.mostang.com/sane/ To unsubscribe: echo unsubscribe sane-devel | mail majordomo@mostang.com



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