Separating Connected Objects Effectively in Image
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Serg Zhelezniak
on 12 Nov 2017
Commented: Image Analyst
on 12 Nov 2017
Hello, I am attempting to separate several connected objects that are often only connected by one pixel (see image). I want to have all connected objects be separate from each other i.e. remove the particular pixel that's causing the issue. I have been trying to use imerode function but I keep on removing more pixels than I would like. Any advice would be greatly beneficial.
![](https://www.mathworks.com/matlabcentral/answers/uploaded_files/169525/image.png)
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Accepted Answer
Image Analyst
on 12 Nov 2017
They are separated if you use 4-connectedness. For subsequent operations, like bwconncomp() or bwlabel(), just specify 4-connectedness instead of the default 8-connectedness.
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More Answers (1)
Jose Marques
on 12 Nov 2017
Hello. Have you tried "imopen"?
Please, post your code and figures so we can help you.
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Image Analyst
on 12 Nov 2017
Again, just use 4-connected like I said in my answer and you won't have the problem!
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