Fuzzy Methods in Nonlinear Signal Processing: Part II—Applications - Nonlinear Signal and Image Processing: Theory, Methods and Applications - page 95

5.5

5

4.5

5 × 5 Window

4

3.5

3

2.5

WM
FWM
Median
Fuzzy median

2

1.5

1

0.5

0.05 0.1 0.15 0.2 0.25 0.3 0.35 0.4 0.45

p
(a)

6.5

6

5 × 5 Window

5.5

5

4.5

WM
FWM
Median
Fuzzy median

4

3.5

0 0.05 0.1 0.15 0.2 0.25 0.3 0.35 0.4 0.45

ε
(b)

FIGURE 3.19
MAE for the median, fuzzy median, weighted median, and fuzzy weighted median filters oper-
ating on the image Lenna corrupted by (a) impulsive noise with impulse probability p and (b)
( 10 , 100 , ) -contaminated Gaussian noise.