title: Reading an image using the output of uigetfile
body: <p>How to store the image into a variable (say <code>I</code>) retrieved using a <code>uigetfile()</code> command?
  For instance,
  I selected the image through</p>
  
  <pre><code>[FileName PathName] = uigetfile('E:\*.jpg','Select an image');
  </code></pre>
  
  <p>Now I want to store the selected image in the variable I.</p>