Fuzzy direction filter

Median direction

2D median filter

3-D median filter

adaptive median filter

Contoured median Filter

cycling sampled median filter

Fuzzy nesting multilevel median filter

Median filter

Method of median filter

Self-adaptive median filter

wavelet domain median filter

active power filter filter

revoling leaf type filter + vacuum filter

16-direction

2-D direction of arrival

2-D direction of arrival estimation

2-dimensional direction of arrival

2wire double direction

3rd direction