title: How to determine the quality of an image in matlab?
body: <p>I am working on iris recognition and for pre-processing I have to check if the image is </p>
  
  <ol>
  <li>defocused</li>
  <li>in motion </li>
  </ol>
  
  <p>Can you help how to find if the image falls in above category?</p>
  
  <p>I am using Matlab 2010b and all the images are grayscale  480x240 containing eyes.</p>