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  6.     <title>5.5.¬† Red Eye Removal</title>
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  19.       <table width="100%" summary="Navigation header">
  20.         <tr>
  21.           <th colspan="3" align="center">5.5.¬†
  22.     <span lang="en" xml:lang="en">Red Eye Removal</span>
  23.   </th>
  24.         </tr>
  25.         <tr>
  26.           <td width="20%" align="left"><a accesskey="p" href="plug-in-nlfilt.html"><img src="../images/prev.png" alt="Prev" /></a>¬†</td>
  27.           <th width="60%" align="center">5.¬†
  28.     <span lang="en" xml:lang="en">Enhance Filters</span>
  29.   </th>
  30.           <td width="20%" align="right">¬†<a accesskey="n" href="plug-in-destripe.html"><img src="../images/next.png" alt="Next" /></a></td>
  31.         </tr>
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  33.       <hr />
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  35.     <div class="sect2" lang="en" xml:lang="en">
  36.       <div class="titlepage">
  37.         <div>
  38.           <div>
  39.             <h3 class="title"><a id="plug-in-red-eye-removal"></a>5.5.¬†
  40.     <span lang="en" xml:lang="en">Red Eye Removal</span>
  41.   </h3>
  42.           </div>
  43.           <div>
  44.             <div class="revhistory">
  45.               <table border="1" width="100%" summary="Revision history">
  46.                 <tr>
  47.                   <th align="left" valign="top" colspan="3">
  48.                     <b>Revision History</b>
  49.                   </th>
  50.                 </tr>
  51.                 <tr>
  52.                   <td align="left">Revision $Revision: 2442 $</td>
  53.                   <td align="left">2008-01-03</td>
  54.                   <td align="left">ude</td>
  55.                 </tr>
  56.               </table>
  57.             </div>
  58.           </div>
  59.         </div>
  60.       </div>
  61.       <a id="id2738433" class="indexterm"></a>
  62.       <a id="id2738450" class="indexterm"></a>
  63.       <div class="sect3" lang="en" xml:lang="en">
  64.         <div class="titlepage">
  65.           <div>
  66.             <div>
  67.               <h4 class="title"><a id="id2738459"></a>5.5.1.¬†
  68.       <span lang="en" xml:lang="en">Overview</span>
  69.     </h4>
  70.             </div>
  71.           </div>
  72.         </div>
  73.         <div class="figure">
  74.           <a id="id2738470"></a>
  75.           <p class="title">
  76.             <b>Figure¬†16.47.¬†
  77.         <span lang="en" xml:lang="en">
  78.           Example for the ‚Äú<span class="quote">Red Eye Removal</span>‚Äù filter
  79.         </span>
  80.       </b>
  81.           </p>
  82.           <div class="figure-contents">
  83.             <div class="mediaobject">
  84.               <img src="../images/filters/examples/enhance-red-eye-before.jpg" alt="Example for the Red Eye Removal filter" />
  85.               <div class="caption">
  86.                 <p>Original image</p>
  87.               </div>
  88.             </div>
  89.             <div class="mediaobject">
  90.               <img src="../images/filters/examples/enhance-red-eye-after.jpg" alt="Example for the Red Eye Removal filter" />
  91.               <div class="caption">
  92.                 <p>‚Äú<span class="quote">Red Eye Removal</span>‚Äù applied</p>
  93.               </div>
  94.             </div>
  95.           </div>
  96.         </div>
  97.         <br class="figure-break" />
  98.         <p>
  99.       The aim of this filter is - guess what - to remove red eyes from an
  100.       image. Before applying the ‚Äú<span class="quote">Red Eye Removal</span>‚Äù
  101.       you must do a selection (lasso or elliptical) of the boundary of the
  102.       iris of the eye(s) having a red pupil. After only you can apply the
  103.       filter on this selection. If you don't make this selection, the filter
  104.       inform you that :
  105.       ‚Äú<span class="quote">Manually selecting the eyes may improve the results</span>‚Äù.
  106.     </p>
  107.       </div>
  108.       <div class="sect3" lang="en" xml:lang="en">
  109.         <div class="titlepage">
  110.           <div>
  111.             <div>
  112.               <h4 class="title"><a id="id2738556"></a>5.5.2.¬†
  113.       <span lang="en" xml:lang="en">Activate the filter</span>
  114.     </h4>
  115.             </div>
  116.           </div>
  117.         </div>
  118.         <p>
  119.       This filter is found in the image window menu under
  120.       <span class="guimenu"><span class="accel">F</span>ilters</span> ‚Üí <span class="guisubmenu">En<span class="accel">h</span>ance</span> ‚Üí <span class="guimenuitem"><span class="accel">R</span>ed Eye Removal</span>.
  121.     </p>
  122.       </div>
  123.       <div class="sect3" lang="en" xml:lang="en">
  124.         <div class="titlepage">
  125.           <div>
  126.             <div>
  127.               <h4 class="title"><a id="id2738607"></a>5.5.3.¬†
  128.       <span lang="en" xml:lang="en">Options</span>
  129.     </h4>
  130.             </div>
  131.           </div>
  132.         </div>
  133.         <div class="figure">
  134.           <a id="id2738618"></a>
  135.           <p class="title">
  136.             <b>Figure¬†16.48.¬†
  137.         <span lang="en" xml:lang="en">‚Äú<span class="quote">Red Eye Removal</span>‚Äù options</span>
  138.       </b>
  139.           </p>
  140.           <div class="figure-contents">
  141.             <div class="mediaobject">
  142.               <img src="../images/filters/options-enhance-red-eye-removal.png" alt="Red Eye Removal options" />
  143.             </div>
  144.           </div>
  145.         </div>
  146.         <br class="figure-break" />
  147.         <div class="variablelist">
  148.           <dl>
  149.             <dt>
  150.               <span class="term">Preview</span>
  151.             </dt>
  152.             <dd>
  153.               <p>
  154.             If you check ‚Äú<span class="quote">Preview</span>‚Äù
  155.             case you can see the modifications in real-time in the preview
  156.             window. And you can choose the good value of threshold compared
  157.             with what you see, and then validate it.
  158.           </p>
  159.             </dd>
  160.             <dt>
  161.               <span class="term">Threshold</span>
  162.             </dt>
  163.             <dd>
  164.               <p>
  165.             If you move the cursor of threshold the amount of red color to
  166.             eliminate will vary.
  167.           </p>
  168.             </dd>
  169.           </dl>
  170.         </div>
  171.       </div>
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  177.           <td width="40%" align="left"><a accesskey="p" href="plug-in-nlfilt.html"><img src="../images/prev.png" alt="Prev" /></a>¬†</td>
  178.           <td width="20%" align="center">
  179.             <a accesskey="u" href="filters-enhance.html">
  180.               <img src="../images/up.png" alt="Up" />
  181.             </a>
  182.           </td>
  183.           <td width="40%" align="right">¬†<a accesskey="n" href="plug-in-destripe.html"><img src="../images/next.png" alt="Next" /></a></td>
  184.         </tr>
  185.         <tr>
  186.           <td width="40%" align="left" valign="top"><a accesskey="p" href="plug-in-nlfilt.html">5.4.¬†
  187.     <span lang="en" xml:lang="en">NL Filter</span>
  188.   </a>¬†</td>
  189.           <td width="20%" align="center">
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  193.           </td>
  194.           <td width="40%" align="right" valign="top">¬†<a accesskey="n" href="plug-in-destripe.html">5.6.¬†
  195.     <span lang="en" xml:lang="en">Destripe</span>
  196.   </a></td>
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  198.       </table>
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  202.