title: Why is there no CV_32U?
body: <p>Why is no 32bit unsigned integer datatype defined in OpenCV?</p>
  
  <p>There exists an 8 and 16-bit unsigned datatype: <code>CV_8U</code> and <code>CV_16U</code></p>
  
  <p>As well as a 32bit signed datatype: <code>CV_32S</code></p>