Noisy

DD DWT proposed

DD DWT after Hybrid optimization

DD

CWT proposed

DD CWT after Hybrid optimization

${\sigma }_n^2=0.25$

9.1025

17.70

18.01

15.95

16.13

${\sigma }_n^2=0.2$

9.588

18.36

19.98

16.41

17.91

${\sigma }_n^2=0.15$

10.345

19.12

20.77

17.18

18.01

${\sigma }_n^2=0.1$

11.530

20.45

20.83

18.29

19.23