Question

Difference between' linear spatial filtering and nonlinear spatial filtering

Answer 1

Answer:

A linear filter is one that can be done with a convolution, which is just the linear sum of values in a sliding window. ... A non-linear filter is one that cannot be done with convolution or Fourier multiplication. A sliding median filter is a simple example of a non-linear filter..

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Answer 2

Answer:

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☑ A linear filter is one that can be done with a convolution, which is just the linear sum of values in a sliding window. ... A non-linear filter is one that cannot be done with convolution or Fourier multiplication. A sliding median filter is a simple example of a non-linear filter

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