8. Noise filtration

Images with specific noise

Periodic noise 1: [link]
Periodic noise 2: [link]

Periodic noise 3: [link]

Use ginput, e.g.:

imshow(image, []);

while 1

[x,y,button] = ginput(1);

end

Remove all values from spectrum that are within the same distance to center as clicked point (with fixed margin)

Remove values around clicked points (and their corresponding points in other quadrants).

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