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  1. <?xml version="1.0" encoding="UTF-8" standalone="no"?>
  2. <!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Transitional//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-transitional.dtd">
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  4.   <head>
  5.     <meta http-equiv="Content-Type" content="text/html; charset=UTF-8" />
  6.     <title>6.3.┬áDespeckle</title>
  7.     <link rel="stylesheet" href="gimp-help-plain.css" type="text/css" />
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  10.     <link rel="start" href="index.html" title="GIMP User Manual" />
  11.     <link rel="up" href="ch06s06.html" title="6.┬áEnhance filters" />
  12.     <link rel="prev" href="ch06s06s02.html" title="6.2.┬áDeinterlace" />
  13.     <link rel="next" href="ch06s06s04.html" title="6.4.┬áDestripe" />
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  15.   <body>
  16.     <div xmlns="" class="navheader">
  17.       <table width="100%" summary="Navigation header">
  18.         <tr>
  19.           <th colspan="3" align="center" id="chaptername">6.┬áEnhance filters</th>
  20.         </tr>
  21.         <tr>
  22.           <td width="20%" align="left"><a accesskey="p" href="ch06s06s02.html">Prev</a>┬á</td>
  23.           <th width="60%" align="center" id="sectionname">6.3.┬áDespeckle</th>
  24.           <td width="20%" align="right">┬á<a accesskey="n" href="ch06s06s04.html">Next</a></td>
  25.         </tr>
  26.       </table>
  27.       <hr />
  28.     </div>
  29.     <div class="sect2" lang="en" xml:lang="en">
  30.       <div class="titlepage">
  31.         <div>
  32.           <div>
  33.             <h3 class="title"><a id="plug-in-despeckle"></a>6.3.┬áDespeckle</h3>
  34.           </div>
  35.         </div>
  36.       </div>
  37.       <a id="id3478651" class="indexterm"></a>
  38.       <div class="mediaobject">
  39.         <img src="../images/filters/filters-enhance-despeckle.png" />
  40.       </div>
  41.       <div class="simplesect" lang="en" xml:lang="en">
  42.         <div class="titlepage">
  43.           <div>
  44.             <div>
  45.               <h4 class="title"><a id="id3478672"></a>Overview</h4>
  46.             </div>
  47.           </div>
  48.         </div>
  49.         <p>
  50.       This filter is found in 
  51.       <span class="guimenuitem">Image>Filters/Enhance/Des<span class="accel">p</span>eckle</span>
  52.     </p>
  53.         <p>
  54.       It is used to remove small defects due to dust, or scratches, on a scanned image,
  55.       and also moir├⌐ effect on image scanned from a magazine. You ought to select isolated 
  56.       defects before applying filter.
  57.     </p>
  58.         <div class="variablelist">
  59.           <p class="title">
  60.             <b>Options</b>
  61.           </p>
  62.           <dl>
  63.             <dt>
  64.               <span class="term">Preview</span>
  65.             </dt>
  66.             <dd>
  67.               <p>
  68.             Parameter setting results are interactively displayed in preview.
  69.           </p>
  70.             </dd>
  71.             <dt>
  72.               <span class="term">Type</span>
  73.             </dt>
  74.             <dd>
  75.               <p>
  76.             </p>
  77.               <div class="itemizedlist">
  78.                 <ul type="disc">
  79.                   <li>
  80.                     <p>
  81.                   <span class="guilabel">Adaptive</span>: Adapts radius to image or selection content 
  82.                   (using Histogram). If this option is checked, radius slider is not efficient. 
  83.                   It renders a result smoother than with radius alone.
  84.                 </p>
  85.                   </li>
  86.                   <li>
  87.                     <p>
  88.                    <span class="guilabel">Recursive</span>: Repeats filter action which gets stronger. 
  89.                 </p>
  90.                   </li>
  91.                 </ul>
  92.               </div>
  93.               <p>
  94.           </p>
  95.             </dd>
  96.             <dt>
  97.               <span class="term">Parameters settings</span>
  98.             </dt>
  99.             <dd>
  100.               <p>
  101.             </p>
  102.               <div class="itemizedlist">
  103.                 <ul type="disc">
  104.                   <li>
  105.                     <p>
  106.                   <span class="guilabel">Radius</span>: Sets size of action window from 1 (3x3 pixels) 
  107.                   to 20 (41x41). This window moves over image, and the color in it is smoothed, 
  108.                   so imperfections are removed. 
  109.                 </p>
  110.                   </li>
  111.                   <li>
  112.                     <p>
  113.                   <span class="guilabel">Black level</span>: Removes pixels darker than set value (0-255).
  114.                 </p>
  115.                   </li>
  116.                   <li>
  117.                     <p>
  118.                   <span class="guilabel">White level</span>: Removes pixels whiter than set value (0-255).
  119.                 </p>
  120.                   </li>
  121.                 </ul>
  122.               </div>
  123.               <p>
  124.           </p>
  125.             </dd>
  126.           </dl>
  127.         </div>
  128.       </div>
  129.     </div>
  130.     <div class="navfooter">
  131.       <hr />
  132.       <table width="100%" summary="Navigation footer">
  133.         <tr>
  134.           <td width="40%" align="left"><a accesskey="p" href="ch06s06s02.html">Prev</a>┬á</td>
  135.           <td width="20%" align="center">
  136.             <a accesskey="u" href="ch06s06.html">Up</a>
  137.           </td>
  138.           <td width="40%" align="right">┬á<a accesskey="n" href="ch06s06s04.html">Next</a></td>
  139.         </tr>
  140.         <tr>
  141.           <td width="40%" align="left" valign="top">6.2.┬áDeinterlace┬á</td>
  142.           <td width="20%" align="center">
  143.             <a accesskey="h" href="index.html">Home</a>
  144.           </td>
  145.           <td width="40%" align="right" valign="top">┬á6.4.┬áDestripe</td>
  146.         </tr>
  147.       </table>
  148.     </div>
  149.   </body>
  150. </html>
  151.