Program sfsharpen | Sharpening operator 
[SYNOPSIS]
sfsharpen < in.rsf > out.rsf other=other.rsf perc=50.0 fact=0.5
[PARAMETERS]
float   | fact | =0.5 |   | 	factor for sharpening 
string  | other | = |   | 	auxiliary input file name
float   | perc | =50.0 |   | 	percentage for sharpening 
[DIRECTORY]
system/generic
