From: Using BayesShrink, BiShrink, Weighted BayesShrink, and Weighted BiShrink in NSST and SWT for Despeckling SAR Images
Sd
Free noise
\( {\sigma}_N^2=0.05 \)
\( {\sigma}_N^2=0.1 \)
\( {\sigma}_N^2=0.15 \)
Barbara
SWT
0.1864
0.1936
0.1969
0.1986
NSST
0.1563
0.1760
0.1812
0.1843
Lena
0.1731
0.1913
0.1950
0.1366
0.1759
0.1813
0.1841