Program sfnlm1 | 1D non-local median filtering. 
[SYNOPSIS]
sfnlm1 < in.rsf > out.rsf t=5 f=2 h=0.5 boundary=n
[PARAMETERS]
bool    | boundary | =n |  [y/n] | 	if y, boundary is data, whereas zero
int     | f | =2 |   | 	radio of similarity window 
float   | h | =0.5 |   | 	degree of filtering 
int     | t | =5 |   | 	radio of search window 
[DIRECTORY]
user/chenyk
