Thinning Operator
This morphological operator is the subtration betwen the input image
and the sup-generating operator with structuring elements A and B.
The result is the original image but with pixels which center contains
the pattern specified by A and B marked as zero. This operation removes
pixels which satisfies the pattern given by the structuring elements
A and B.
In this example, the image is thinned by removing isolated 4-connected
pixels. The pattern used is:
000 010 .0.
A = 010 B = 101 <=> Pattern = 010
000 010 .0.
So:
Sup-Gen(A,B)
=
Original ~ Sup-Gen =
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