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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">
  3. <html xmlns="http://www.w3.org/1999/xhtml">
  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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  9.     <meta name="generator" content="DocBook XSL Stylesheets V1.64.1" />
  10.     <link rel="home" href="index.html" title="GIMP User Manual" />
  11.     <link rel="up" href="ch05s06.html" title="6.┬áEnhance filters" />
  12.     <link rel="previous" href="ch05s06s02.html" title="6.2.┬áDeinterlace" />
  13.     <link rel="next" href="ch05s06s04.html" title="6.4.┬áDestripe" />
  14.   </head>
  15.   <body>
  16.     <div class="navheader">
  17.       <table width="100%" summary="Navigation header">
  18.         <tr>
  19.           <th colspan="3" align="center">6.3.┬áDespeckle</th>
  20.         </tr>
  21.         <tr>
  22.           <td width="20%" align="left"><a accesskey="p" href="ch05s06s02.html">Prev</a>┬á</td>
  23.           <th width="60%" align="center">6.┬áEnhance filters</th>
  24.           <td width="20%" align="right">┬á<a accesskey="n" href="ch05s06s04.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></div>
  37.       </div>
  38.       <a id="id2975241" class="indexterm"></a>
  39.       <div class="mediaobject">
  40.         <img src="../images/filters/filters-enhance-despeckle.png" />
  41.       </div>
  42.       <div class="simplesect" lang="en" xml:lang="en">
  43.         <div class="titlepage">
  44.           <div>
  45.             <div>
  46.               <h4 class="title"><a id="id2975263"></a>Overview</h4>
  47.             </div>
  48.           </div>
  49.           <div></div>
  50.         </div>
  51.         <p>
  52.       This filter is found in 
  53.       <span class="guimenuitem">Image>Filters/Enhance/Des<span class="accel">p</span>eckle</span>
  54.     </p>
  55.         <p>
  56.       It is used to remove small defects due to dust, or scratches, on a scanned image,
  57.       and also moir├⌐ effect on image scanned from a magazine. You ought to select isolated 
  58.       defects before applying filter.
  59.     </p>
  60.       </div>
  61.       <div class="simplesect" lang="en" xml:lang="en">
  62.         <div class="titlepage">
  63.           <div></div>
  64.           <div></div>
  65.         </div>
  66.         <div class="variablelist">
  67.           <p class="title">
  68.             <b>Options</b>
  69.           </p>
  70.           <dl>
  71.             <dt>
  72.               <span class="term">Preview</span>
  73.             </dt>
  74.             <dd>
  75.               <p>
  76.             Parameter setting results are interactively displayed in preview.
  77.           </p>
  78.             </dd>
  79.             <dt>
  80.               <span class="term">Type</span>
  81.             </dt>
  82.             <dd>
  83.               <p>
  84.             </p>
  85.               <div class="itemizedlist">
  86.                 <ul type="disc">
  87.                   <li><span class="guilabel">Adaptive</span>: Adapts radius to image or selection content 
  88.                 (using Histogram). If this option is checked, radius slider is not efficient. 
  89.                 It renders a result smoother than with radius alone.
  90.               </li>
  91.                   <li><span class="guilabel">Recursive</span>: Repeats filter action which gets stronger. 
  92.               </li>
  93.                 </ul>
  94.               </div>
  95.               <p>
  96.           </p>
  97.             </dd>
  98.             <dt>
  99.               <span class="term">Parameters settings</span>
  100.             </dt>
  101.             <dd>
  102.               <p>
  103.             </p>
  104.               <div class="itemizedlist">
  105.                 <ul type="disc">
  106.                   <li><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.               </li>
  110.                   <li><span class="guilabel">Black level</span>: Removes pixels darker than set value (0-255).
  111.               </li>
  112.                   <li><span class="guilabel">White level</span>: Removes pixels whiter than set value (0-255).
  113.               </li>
  114.                 </ul>
  115.               </div>
  116.               <p>
  117.           </p>
  118.             </dd>
  119.           </dl>
  120.         </div>
  121.       </div>
  122.     </div>
  123.     <div class="navfooter">
  124.       <hr />
  125.       <table width="100%" summary="Navigation footer">
  126.         <tr>
  127.           <td width="40%" align="left"><a accesskey="p" href="ch05s06s02.html">Prev</a>┬á</td>
  128.           <td width="20%" align="center">
  129.             <a accesskey="u" href="ch05s06.html">Up</a>
  130.           </td>
  131.           <td width="40%" align="right">┬á<a accesskey="n" href="ch05s06s04.html">Next</a></td>
  132.         </tr>
  133.         <tr>
  134.           <td width="40%" align="left" valign="top">6.2.┬áDeinterlace┬á</td>
  135.           <td width="20%" align="center">
  136.             <a accesskey="h" href="index.html">Home</a>
  137.           </td>
  138.           <td width="40%" align="right" valign="top">┬á6.4.┬áDestripe</td>
  139.         </tr>
  140.       </table>
  141.     </div>
  142.   </body>
  143. </html>
  144.