I want to make a background black and foreground is same as original.
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O=imread('wed.jpg');
figure,imshow(O);
whos O
C=rgb2gray(O);
figure,imshow(C);
b=C > 128;
whos b
[m n]=size(b)
for i=1:m
for j=1:n
if (b(i,j)==1)
bIn3Dims(i,j,:)= O(i,j,:)
end
end
end
figure,imshow(b)
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Antworten (1)
Puru Kathuria
am 22 Jul. 2020
Hi,
You can try activecontour and lazysnapping. Both of them are for segmenting image into background and foreground using contours and graph-based segmenting respectively.
Also have a look at this Image Segmentation Tutorial.
References/Citations:
Image Analyst (2020). Image Segmentation Tutorial, MATLAB Central File Exchange. Retrieved July 22, 2020.
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