Region Growing segmentation not giving proper result.

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Warid Islam
Warid Islam 2021-1-25
评论： Image Analyst 2023-1-1
Hi,
I am applying the region growing algorithm to segment tumors in breast images. I is the original image. The brightest spot in the center should be the tumor. The segmentation should only display that spot. However, after applying the algorthm, the resultant image is that of I1 which is not accurate. Any suggestions would be appreciated.
I = im2double(imread('I.jpg'));
figure,imshow(I)
x=198; y=359;
J = regiongrowing(I,x,y,0.5);
figure, imshow(I+J);

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Shubham Rawat
Shubham Rawat 2021-1-28
Hi Warid,
I have reproduces your code, I have made just small adjustments. The new code is like that:
I = im2double(imread('I.jpg'));
x=463; y=311; %changed the starting point to this.
J = regiongrowing(I,x,y,0.04); %decreased the threshold to 0.04
figure, imshow(I+J);
My figure after this code is below here:
Hope this Helps!
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Ahamed Mansoor
Ahamed Mansoor 2023-1-1
编辑：Ahamed Mansoor 2023-1-1
Hi,
i doned below code in online matlab,it's showing execution of script region growing as a function is not supported.
I = im2double(imread('3.png'));
x=463; y=311;
J = regiongrowing(I,x,y,0.04);
figure, imshow(I+J);
Image Analyst
Image Analyst 2023-1-1
@Ahamed Mansoor attach your m-files, and ALL the red text, not just a paraphrased snippet from it.

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