[Ask Help] - Find Result Erode/Erosion on Matrix

Python Help
1

Anyone could help me to find Erode/Erosion on this matrix?
Please help…
Thanks

a = [  1 1 1 0 0 0 0 0 0 0 1 1 1 0 0 1 1 1 0 0;
       1 1 0 0 1 0 1 1 1 0 1 1 1 0 0 1 1 1 0 0;
       1 1 1 1 1 1 0 1 1 0 0 1 0 0 0 0 1 0 0 0;
       0 0 0 1 1 0 1 1 1 0 1 0 1 0 0 0 0 0 0 0;
       0 0 0 1 0 0 0 0 0 0 0 0 0 1 0 1 0 1 1 1;
       0 0 1 1 1 0 1 1 1 0 1 0 0 0 1 0 0 0 1 1;
       1 0 0 0 1 0 1 1 0 1 1 1 0 1 1 1 0 1 0 1;
       1 1 0 1 1 1 1 0 1 0 1 0 0 0 1 0 0 0 0 1;
       1 0 0 0 1 0 0 1 0 0 1 0 0 0 0 0 1 1 1 0;
       0 0 0 0 0 0 1 1 1 0 0 1 1 1 0 0 0 1 0 0;
       0 0 0 0 0 1 0 1 0 0 0 1 1 1 0 0 1 1 1 0;
       0 1 1 0 1 0 1 1 0 0 0 1 1 1 1 0 1 1 1 0;
       1 0 0 1 0 0 0 0 1 1 1 0 0 1 0 0 0 0 0 0;
       1 1 1 0 0 0 0 0 1 1 1 0 1 1 1 0 0 0 0 0;
       0 1 1 1 0 1 0 0 1 1 1 0 0 1 1 0 0 1 1 1;
       0 1 1 0 0 1 0 0 1 1 1 0 1 1 1 0 0 1 1 1;
       0 0 0 0 1 1 1 0 0 0 1 0 0 0 1 0 1 1 1 1;
       1 1 0 0 0 1 1 0 0 1 1 1 0 0 0 1 0 0 1 0;
       1 1 1 0 0 1 0 0 0 1 1 1 0 0 1 1 1 0 0 0;
       1 1 0 0 0 0 0 0 0 1 1 1 0 0 1 1 1 0 0 0];

b = [  1 1 1;
       0 1 0;
       1 1 1];
2

What does “Erode/Erosion on this matrix” mean?

If you can outline what algorithm that is we can help guide you to write the code you need.

3

Install scikit-image, then do

from skimage.morphology import erosion
result = erosion(a, b)
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