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Fermi filter

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The Fermi filter is a common image processing filter that uses the Fermi–Dirac distribution in the frequency domain to perform a low-pass filter^[1] or high-pass filter^[2] similar to a Gaussian blur, but the harshness can be scaled.^[3]

References

↑ "img.alg - Image Processing Algorithms: FermiLowPassFilter". OpenStructure. Retrieved 2021-07-03.
↑ "img.alg - Image Processing Algorithms: FermiHighPassFilter". OpenStructure. Retrieved 2021-07-03.
↑ "SPIDER: FQ NP (Filter - Quick Fourier, High, low pass, etc)". SPIDER. Retrieved 2021-07-03.

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