Noisy

DD DWT proposed

DD DWT [8]

DD CWT proposed

CWT [7]

${\sigma }_n^2=0.25$

9.126

18.34

16.68

16.04

16.55

${\sigma }_n^2=0.2$

9.598

18.95

17.20

16.34

16.44

${\sigma }_n^2=0.15$

10.332

19.83

17.96

17.30

17.24

${\sigma }_n^2=0.1$

11.541

20.89

18.56

17.98

17.67