Mean Filter is Linear or non_Linear filter?

Mean Filter is Linear or non_Linear filter?

Answer 1

[Walter Roberson]

Mean filtering is always over a sliding window. For any one window-full, if you multiply all of the inputs by a non-zero constant, then the mean is multiplied by that constant, which is a linear effect. For any one window-full, if you add a constant to all of the inputs, then the mean has that constant added, which is a linear effect. So mean filtering would probably be said to be linear.

[Faizullah khan]

Thank you Sir for your valuable reponse.