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how to fill the cells?

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Sarah Nasra
Sarah Nasra on 5 Nov 2021
Answered: Sahil Jain on 17 Nov 2021
i want to fill the cells so i used the function "imfill" but because the borders of the cells not completed 100%, not all the cells filled.
A = imread("ניסוי1 חתוך.tif","tif");
A=rgb2gray(A);
t = 0.64;
BW1 = imbinarize(A,t);
BW2 = bwareaopen(BW1,50);
BW3 = medfilt2(BW2);
BW4 = imfill(BW3,'holes');
figure; imshow(BW4); title("after");
in the file there a pic that summrize what i mean.

Answers (1)

Sahil Jain
Sahil Jain on 17 Nov 2021
Hi Sarah. You can try using the "morphological close" operation to close the cells before filling. You may need to experiment with the size of the structuring element for your use case.
A = imread("ניסוי1 חתוך.tif","tif");
A=rgb2gray(A);
t = 0.64;
BW1 = imbinarize(A,t);
BW2 = bwareaopen(BW1,50);
BW3 = medfilt2(BW2);
se = strel('disk',20);
BW4 = imclose(BW3,se);
BW5 = imfill(BW4,'holes');
figure; imshow(BW5); title("after");

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