i was writing a code for mathematical morphology dilation operation for a 1D signal but did not get proper output. Kindly help me with the proper code

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the code i wrote:
function y_dil=dilation(x,se)
L=length(se)
x=[zeros(1,L) x];
N=length(x)
k=1+L;
y_dil=zeros(1,N);
for n=k:N
for i=1:L
r(i)=max(x(n-i)+se(i))
end
Y_dil(k-L)=max(r);
k=k+1;
end
end

Risposte (2)

Massimo Zanetti
Massimo Zanetti il 6 Ott 2016
Use imdilate function which is already in Matlab. https://it.mathworks.com/help/images/ref/imdilate.html
For example, if your signal is SIGNAL matrix (1xN matrix), and your structuring element is SE=[1,1,1], try this:
DIL_SIGNAL = imdilate(SIGNAL,SE)
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M E
M E il 13 Lug 2019
Supporting the solution provided by Massimo, You can make costum length structuring elements:
DIL = imdilate(S,strel('line',Len,0))

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