how to set black (pixel=0 or <20) to NaN in an image
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Hi there, can anyone tell me how to convert black regions on grayscale image to NaN value? I appreciate any answers.
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Accepted Answer
KSSV
on 31 Aug 2017
Let I be your matrix....read using imread
If you want to make pixels [0 20] to NaN..do this:
I(I>=0 & I<= 20) = NaN
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