Noisy

DD DWT proposed

DD DWT [8]

DD CWT proposed

CWT [7]

${\sigma }_n^2=0.25$

9.1025

17.70

16.90

15.95

15.65

${\sigma }_n^2=0.2$

9.588

18.36

17.12

16.41

16.31

${\sigma }_n^2=0.15$

10.345

19.12

17.85

17.18

17.01

${\sigma }_n^2=0.1$

11.530

20.45

18.83

18.29

18.2