<chapter id="filterimages">
<chapterinfo>

<title>Filter Images</title>

<authorgroup>
    <author>
        <firstname>Gilles</firstname><surname>Caulier</surname>
        <affiliation><address><email>caulier dot gilles at free.fr</email></address></affiliation>
    </author>
</authorgroup>

<abstract>
<para>
The Kipi Filter Images plugin is a tool for to apply a digital filter to the images.
</para>
</abstract>

<keywordset>
<keyword>KDE</keyword>
<keyword>Kipi</keyword>
</keywordset>
</chapterinfo>

<title>Introduction</title>

<para>

This plugin can be used for batch filter images in an Album.
 It use "convert" program from "ImageMagick" package. An image effect
 preview (partial or full) is available.
 9 filters types have been implemented:
</para>

<itemizedlist>
<listitem><para><emphasis>Add noise</emphasis> : add noise in an image.</para></listitem>
<listitem><para><emphasis>Antialias</emphasis> : remove pixel aliasing.</para></listitem>
<listitem><para><emphasis>Blur</emphasis> : blur the image with a Gaussian operator.</para></listitem>
<listitem><para><emphasis>Despeckle</emphasis> : reduce the speckles within an image.</para></listitem>
<listitem><para><emphasis>Enhance</emphasis> : apply a digital filter to enhance a noisy image.</para></listitem>
<listitem><para><emphasis>Median</emphasis> : apply a median filter to an image.</para></listitem>
<listitem><para><emphasis>Noise reduction</emphasis> : reduce noise in an image.</para></listitem>
<listitem><para><emphasis>Sharpen</emphasis> : sharpen the image with a Gaussian operator.</para></listitem>
<listitem><para><emphasis>Unsharp</emphasis> : sharpen the image with an unsharp mask operator.</para></listitem>
</itemizedlist>

<para>
You can see some samples building with this plugin at this
<ulink url="http://digikamplugins.free.fr/ImagesGallerySamples/MultipleAlbums/FilterImages/index.html">
<citetitle>url.</citetitle>
</ulink></para>

</chapter>

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