Program sftsmf | Two-step space varying median filtering. 
[SYNOPSIS]
sftsmf < in.rsf > out.rsf L=lengthout.rsf boundary=n ns=0 ne=n2-1 N=(f2-f1+1)*n1 ael=0.0 verb=n nfw= l1=2 l2=0 l3=2 l4=4
[COMMENTS]
In default case, sftsmf is equal to sftvmf.

[PARAMETERS]
string  | L | = |   | 	auxiliary output file name
int     | N | =(f2-f1+1)*n1 |   | 	average energy level (AEL) computing number 
float   | ael | =0.0 |   | 	get the average energy level (AEL) empirically defined 
bool    | boundary | =n |  [y/n] | 	if y, boundary is data, whereas zero
int     | l1 | =2 |   | 	space-varying window parameter "l1" (default=2)
int     | l2 | =0 |   | 	space-varying window parameter "l2" (default=0)
int     | l3 | =2 |   | 	space-varying window parameter "l3" (default=2)
int     | l4 | =4 |   | 	space-varying window parameter "l4" (default=4)
int     | ne | =n2-1 |   | 	processing window ending point, corresponding to the temporal axis, n2 means transposed first-axis dimension. 
int     | nfw | = |   | 	reference filter-window length (>l4, positive and odd integer)
int     | ns | =0 |   | 	processing window starting point, corresponding to the temporal axis 
bool    | verb | =n |  [y/n] | 	if print the computed average energy level (AEL) 
[DIRECTORY]
user/chenyk
