how to remove Outermost semicircle on the grayscale image?

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Suresh Bhanoth
Suresh Bhanoth on 11 Mar 2020
Answered: KALYAN ACHARJYA on 13 Mar 2020
I am attaching the image . Please help me how to remove the outermost semicicrlces.Please anyone can say the method , how to remove it?

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Accepted Answer

KALYAN ACHARJYA
KALYAN ACHARJYA on 13 Mar 2020
mask=bwareafilt(~imbinarize(grayImage,0.8),1);
grayImage(~mask)=255;
imshow(grayImage);

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