Fermi filter

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