How to fill the entire region of any image after or before performing canny edge?

Question

I want to fill all the white regions inside the card.

Your question shows no effort and is quite unclear. I would suggest you improve it before it gets downvoted and/or closed. — Mark Setchell, Oct 20 '18 at 09:45

score 0 · Answer 1 · answered Oct 20 '18 at 15:51

0

You can use a hole filling functiong, but because of the finger, the QR won't get filled.

Given the simple geometry of the card, I would advise to find the sides and just reconstruct a rounded rectangle.

answered Oct 20 '18 at 15:51

1 Answers1