Program sfmflt | 3D Recursive median filter 
[SYNOPSIS]
sfmflt < in.rsf > out.rsf rect1=1 rect2=0 rect3=0
[PARAMETERS]
int     | rect1 | =1 |   | 	filter length on 1st axis 
int     | rect2 | =0 |   | 	filter length on 2nd axis 
int     | rect3 | =0 |   | 	filter length on 3nd axis 
[DIRECTORY]
user/chen
