title: Cropping out black borders in image
body: <p>I need if there is way how to crop out black parts on right and left side of this image <a href="https://i.stack.imgur.com/a8jt0.jpg" rel="nofollow noreferrer">image to crop</a>[image to crop out black parts]. I would like to use openCV, python. I have issue to crop out curved lines. Thank you for help.</p>
  
  <p><a href="https://i.stack.imgur.com/a8jt0.jpg" rel="nofollow noreferrer">https://i.stack.imgur.com/a8jt0.jpg</a></p>