title: How to extract content of each superpixel and resize them?
body: <p><a href="https://i.stack.imgur.com/DPgbX.png" rel="nofollow noreferrer">SuperPixeled image</a></p>
  
  <p>This is the image and I want to save only the non-black region superpixels after resizing them to 56x56. I am working on superpixel classification.</p>