<chapter id="colorimages">
<chapterinfo>

<title>Color Images</title>

<authorgroup>
    <author>
        <firstname>Gilles</firstname><surname>Caulier</surname>
        <affiliation><address><email>caulier dot gilles at gmail dot com</email></address></affiliation>
    </author>
</authorgroup>

<abstract>
<para>
The Kipi Color Images plugin is a tool to change or improve the images' color rendering.
</para>
</abstract>

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

<title>Introduction</title>

<para>

This plugin can be used for batch colors enhancement of images in an Album.
 It uses the "convert" program from the "ImageMagick" package. A plugin effect
 preview (partial or full) is available.
 10 color filter types are available:

</para>

<itemizedlist>
<listitem><para><emphasis>Decrease contrast</emphasis> : reduces the image contrast.</para></listitem>
<listitem><para><emphasis>Depth</emphasis> : changes the color depth of the image.</para></listitem>
<listitem><para><emphasis>Equalize</emphasis> : performs histogram equalization to the image.</para></listitem>
<listitem><para><emphasis>Fuzz</emphasis> : merges colors within a distance are considered equal.</para></listitem>
<listitem><para><emphasis>Gray scales</emphasis> : converts colors images to gray scales image.</para></listitem>
<listitem><para><emphasis>Increase contrast</emphasis> : enhances the image contrast.</para></listitem>
<listitem><para><emphasis>Monochrome</emphasis> : transforms the image to black and white.</para></listitem>
<listitem><para><emphasis>Negate</emphasis> : replaces every pixel with its complementary color.</para></listitem>
<listitem><para><emphasis>Normalize</emphasis> : transforms image to span the full range of color values.</para></listitem>
<listitem><para><emphasis>Segment</emphasis> : segments an image by analyzing the histograms of the color components.</para></listitem>
<listitem><para><emphasis>Trim</emphasis> : trims an image (fuzz reverse technic).</para></listitem>
</itemizedlist>

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

</chapter>

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