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Restrict luma/chroma key to contiguous pixels
I’m trying to sort how to make masks that would be restricted to contiguous areas a la photoshop’s magic wand tool. Can’t see a way to do this with standard jitter objects or cv.jit— perhaps there’s a gen solution? Feathering edges would be a bonus! Any pointers appreciated.
I’m wondering how this would work:
— define an arbitary submatrix
— find pixels within a luma range in the submatrix
— test to see if any of those pixels touch the border of the submatrix
— if so make the submatrix bigger
— repeat until no pixels touch the border
Seems like there must be an easier way…
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