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    <title>MATLAB Central Newsreader - Help with unsharp!</title>
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    <item>
      <pubDate>Thu, 20 Mar 2008 06:36:29 -0400</pubDate>
      <title>Re: Help with unsharp!</title>
      <link>http://www.mathworks.com/matlabcentral/newsreader/view_thread/166015#421872</link>
      <author>Vihang Patil</author>
      <description>mrnickname &amp;lt;ankitnaker@gmail.com&amp;gt; wrote in message &lt;br&gt;
&amp;lt;eecbf20d-d297-47b6-b95e-&lt;br&gt;
0a6dea9fd3e7@s12g2000prg.googlegroups.com&amp;gt;...&lt;br&gt;
&amp;gt; Does anyone know how to create an unsharp mask without &lt;br&gt;
using the&lt;br&gt;
&amp;gt; inbuilt filters?&lt;br&gt;
&amp;gt; &lt;br&gt;
&amp;gt; Thanks in advance.&lt;br&gt;
&lt;br&gt;
doc fspecial&lt;br&gt;
doc imfilter&lt;br&gt;
h = fspecial('unsharp',alpha);&lt;br&gt;
ex:&lt;br&gt;
h = fspecial('unsharp');&lt;br&gt;
h =&lt;br&gt;
&lt;br&gt;
&amp;nbsp;&amp;nbsp;&amp;nbsp;-0.1667   -0.6667   -0.1667&lt;br&gt;
&amp;nbsp;&amp;nbsp;&amp;nbsp;-0.6667    4.3333   -0.6667&lt;br&gt;
&amp;nbsp;&amp;nbsp;&amp;nbsp;-0.1667   -0.6667   -0.1667&lt;br&gt;
&lt;br&gt;
HTH&lt;br&gt;
Vihang&lt;br&gt;
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    <item>
      <pubDate>Thu, 20 Mar 2008 00:02:16 -0400</pubDate>
      <title>Help with unsharp!</title>
      <link>http://www.mathworks.com/matlabcentral/newsreader/view_thread/166015#421842</link>
      <author>mrnickname</author>
      <description>Does anyone know how to create an unsharp mask without using the&lt;br&gt;
inbuilt filters?&lt;br&gt;
&lt;br&gt;
Thanks in advance.&lt;br&gt;
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