Brighten Image with frequency domain filtering
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is there any way to brighten an image with frequency domain filtering in matlab?
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Image Analyst
el 6 de Oct. de 2022
Well sort of. You could take the fft then add an amount to the DC (zero frequency) component, then inverse fft. That would have the effect of adding a constant to the image. It's a matter of opinion as to whether you'd call that "filtering" though since no spatial frequencies are altered (other than the zero frequency).
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