I have an image ( bit it has a ‘spotty’ appearance). Can you help restore it to a less spotty state

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This step was done but i stuck in it how can i make a mask for FFT and make the image without spotty. i think we have to apply notch filter.
% A=imread('problem8.tif');
% k=size(A)
% F=fftshift(fft2(double(A)));
% S=log(abs(F));
% imwrite(S/max(S(:)),'mask.tif');
% figure(1),imshow('mask.tif');

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KALYAN ACHARJYA
KALYAN ACHARJYA 2021년 6월 20일
Please follow this for reference
https://in.mathworks.com/matlabcentral/fileexchange/69333-image-denoising-using-notch-filter-and-inverse-filtering

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