this post was submitted on 28 Mar 2025
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Computer Vision

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How do I segment this QR code from the white background using CV (imgur.com)
submitted 1 month ago* (last edited 1 month ago) by [email protected] to c/[email protected]
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Some custom filter kernel to average out values from a chunk of pixels with some kind of "border aware" behaviour?

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[โ€“] [email protected] 2 points 1 month ago (1 children)

Is that scale invariant? Or would they need to do it multiple times at different scales if they can't rely on a consistent scale?

[โ€“] [email protected] 2 points 1 month ago

The latter: it's not scale invariant