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edges colour change in an image

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nonyt
nonyt 2011-3-11
Hey I am trying make the edges in an image more thick I am doing a laplacian filtering and i get white edges with black background and add it to my image how do i change the edges to be black?

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Sean de Wolski
Sean de Wolski 2011-3-11
I(edges) = 0; %?
Also look at:
doc imerode
doc imdilate
  2 个评论
nonyt
nonyt 2011-3-15
Sorry for late answer :
I was trying the following...
t: image
<768x1024x3 double>
for (i=1:size(t))
if (t[i]==0)
t[i]=1;
end
end
but I have some errors that I cant understand why is not working..
error:Unbalanced or unexpected parenthesis or bracket(in the second line)
Any help?
Walter Roberson
Walter Roberson 2011-3-15
for i=1:size(t)
with no () around it.
if t(i)==0
with (i) instead of [i]
t(i)=1
instead of t[i]=1

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