title: python crop image to number content at different positions
body: <p>I have a rectangle image with a number in it. The position of the number can vary in the image. I try to OCR the number and want to crop everything else except the number. What would be the easiest way to do this?</p>
  <p>Sample: <a href="https://i.stack.imgur.com/QBR1U.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/QBR1U.png" alt="Sample Image" /></a></p>