Program sfswtdenoise | Denoising using stationary wavelet transform. 
[SYNOPSIS]
sfswtdenoise < in.rsf > out.rsf ratio=1. len_filter=2 n_layer=2
[PARAMETERS]
int     | len_filter | =2 |   | 	filter length 
int     | n_layer | =2 |   | 	number of wavelet transform layers 
float   | ratio | =1. |   | 	ratio for denoising 
[DIRECTORY]
system/generic
