title: How to find one image inside of another?
body: <p>I have 2 bmp images. 
  ImageA is a screenshot (example)
  ImageB is a subset of that. Say for example, an icon.</p>
  
  <p>I want to find the X,Y coordinates of ImageB within ImageA (if it exists).</p>
  
  <p>Any idea how I would do that?</p>