Connect objects binary image
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Hi
I have this binary image with 4 objects, and want to connect this 4 object into one object/blob (see image, with the approximate connection points marked with red).
I have tried: imclose, bwmorph(BW,'bridge'), bwmorph(BW,'endpoints'), imdilate, imerode and imfill.
Do you have solution for that, I have been struggling for weeks. 
回答（1 个）
Subhadeep Koley
2020-2-4
Hi, try the code below and see if it gives the expected output. (Download the attached image)
a = rgb2gray(imread('BW_img_marked.jpeg'));
b = imbinarize(a);
se = strel('disk', 12, 4); % Structuring element for dilation
c = imdilate(b, se); % Dilating the image
d = imfill(c,'holes'); % Filling the holes
imshow(d);
3 个评论
Mithushan Soundaranathan
2020-2-4
Hi,
Thank you very much for the response, i have tried that.
The problem is that is closes the area which I have marked in the image below, which is not desired
Mithushan Soundaranathan
2020-2-4
编辑：Mithushan Soundaranathan
2020-2-4
I though of something similar to this, to find the outer boundary?
Jonne
2021-4-29
Nice how did you do this? could you share the code
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2020-2-4
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