Program sfbil1 | Bi-variate L1 regression 
[SYNOPSIS]
sfbil1 < inp.rsf reg=reg.rsf > out.rsf niter=10 perc=90.0 fact=1.5 type=
[PARAMETERS]
float   | fact | =1.5 |   | 	factor for sharpening 
int     | niter | =10 |   | 	number of POCS iterations 
float   | perc | =90.0 |   | 	percentage for sharpening 
file    | reg | = |   | 	auxiliary input file name
string  | type | = |   | 	thresholding type 
[DIRECTORY]
user/fomels
