How do I segment this QR code from the white background using opencv
How do I segment this QR code from the white background using opencv
cross-posted from: https://lemm.ee/post/59714239
Some custom filter kernel to average out values from a chunk of pixels with some kind of "border aware" behaviour?
Square it up and crop the image, or just scan it and re-encode the content.
scanning and re-encoding is the way if you don't care about the exact image or pattern