Program sfthreshold2 | 2-D Soft thresholding. 
[SYNOPSIS]
sfthreshold2 < in.rsf > out.rsf thr=thr.rsf verb=n pclip=99.
[PARAMETERS]
float   | pclip | =99. |   | 	
string  | thr | = |   | 	auxiliary input file name
bool    | verb | =n |  [y/n] | 	verbosity flag 
[DIRECTORY]
user/yliu
