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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>6.4.┬áDestripe</title>
  7.     <link rel="stylesheet" href="gimp-help-plain.css" type="text/css" />
  8.     <link rel="stylesheet" href="gimp-help-screen.css" type="text/css" />
  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="ch05s06s03.html" title="6.3.┬áDespeckle" />
  13.     <link rel="next" href="ch05s06s05.html" title="6.5.┬áNL Filter" />
  14.   </head>
  15.   <body>
  16.     <div class="navheader">
  17.       <table width="100%" summary="Navigation header">
  18.         <tr>
  19.           <th colspan="3" align="center">6.4.┬áDestripe</th>
  20.         </tr>
  21.         <tr>
  22.           <td width="20%" align="left"><a accesskey="p" href="ch05s06s03.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="ch05s06s05.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-destripe"></a>6.4.┬áDestripe</h3>
  34.           </div>
  35.         </div>
  36.         <div></div>
  37.       </div>
  38.       <a id="id2975411" class="indexterm"></a>
  39.       <div class="mediaobject">
  40.         <img src="../images/filters/filters-enhance-destripe.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="id2975432"></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">t</span>ripe...</span>
  54.     </p>
  55.         <p>
  56.       It is used to remove vertical stripes caused by poor quality scanners. It works by adding 
  57.       a pattern that will interfere with the image, removing stripes if setting is good. This 
  58.       "negative" pattern is calculated from vertical elements of the image, so don't be surprised 
  59.       if you see stripes on the preview of an image that has none. And if pattern "strength" is 
  60.       too high, you image will be striped.
  61.     </p>
  62.         <p>
  63.       If, after a first pass, a stripe persists, rectangular-select it and apply filter again 
  64.       (all other selection type may worsen the result).
  65.     </p>
  66.       </div>
  67.       <div class="simplesect" lang="en" xml:lang="en">
  68.         <div class="titlepage">
  69.           <div>
  70.             <div>
  71.               <h4 class="title"><a id="id2975475"></a>Options</h4>
  72.             </div>
  73.           </div>
  74.           <div></div>
  75.         </div>
  76.         <div class="variablelist">
  77.           <dl>
  78.             <dt>
  79.               <span class="term">Preview</span>
  80.             </dt>
  81.             <dd>
  82.               <p>
  83.             Parameter setting results are interactively displayed in preview. Scroll bars allow 
  84.             you to move around the image.
  85.           </p>
  86.             </dd>
  87.             <dt>
  88.               <span class="term">Parameter setting</span>
  89.             </dt>
  90.             <dd>
  91.               <p>
  92.             </p>
  93.               <div class="itemizedlist">
  94.                 <ul type="disc">
  95.                   <li><span class="guilabel">Create histogram</span>: This "histogram" is a black and white image 
  96.                 showing the interference pattern more legibly.
  97.               </li>
  98.                   <li><span class="guilabel">Width</span>: Slider and input box allow to set "strength" of filter 
  99.                 (2-100): more than 60 is rarely necessary and may create artifacts.
  100.               </li>
  101.                 </ul>
  102.               </div>
  103.               <p>
  104.           </p>
  105.               <p>
  106.             A test image can be found at 
  107.             <a href="/cgi-bin/olink?sysid="><i class="citetitle">www.goof.com</i></a>
  108.           </p>
  109.             </dd>
  110.           </dl>
  111.         </div>
  112.       </div>
  113.     </div>
  114.     <div class="navfooter">
  115.       <hr />
  116.       <table width="100%" summary="Navigation footer">
  117.         <tr>
  118.           <td width="40%" align="left"><a accesskey="p" href="ch05s06s03.html">Prev</a>┬á</td>
  119.           <td width="20%" align="center">
  120.             <a accesskey="u" href="ch05s06.html">Up</a>
  121.           </td>
  122.           <td width="40%" align="right">┬á<a accesskey="n" href="ch05s06s05.html">Next</a></td>
  123.         </tr>
  124.         <tr>
  125.           <td width="40%" align="left" valign="top">6.3.┬áDespeckle┬á</td>
  126.           <td width="20%" align="center">
  127.             <a accesskey="h" href="index.html">Home</a>
  128.           </td>
  129.           <td width="40%" align="right" valign="top">┬á6.5.┬áNL Filter</td>
  130.         </tr>
  131.       </table>
  132.     </div>
  133.   </body>
  134. </html>
  135.