vectorize operation on image processing

2019 2 17
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更新时间：2019 2 20
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Hi! I want to vectorize the variable final on this code :
for i = 1:sz1
for j = 1:sz2
if (bw(i,j)==1)
final(i,j,1)=255;
final(i,j,2)=0;
final(i,j,3)=0;
else
final(i,j,1)=I(i,j,1);
final(i,j,2)=I(i,j,2);
final(i,j,3)=I(i,j,3);
end
end
end
bw : black and white array
I : the original image
final : the array i want to store the values
I want to vectorize it because i want to speed up my code.
Can enyone help?
thnks

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