How to return the dimension of image if I had already add padding before ?

W = ones(3);

padded = padarray(W,[1, 1],'symmetric','both');

ASK : dimension = 3x3

after padding = 5x5

can you help me, how to return the dimension back to 3x3

Answer 1

[Thorsten]

 W = W(2:end-1, 2:end-1);

[Andhika Fajar]

W = W(2:end-1, 2:end-1);

W = 3

sorry but its not dimension 3x3

[Thorsten]

Sorry. It should read:

 W = ones(3);
 padded = padarray(W,[1, 1],'symmetric','both');
 X = padded(2:end-1, 2:end-1);
 size(X)

 ans =

     3     3

[Andhika Fajar]

Thank u Thorsten. its work