Program sfapefsignoi | Signal and noise separation using adaptive PEFs. 
[SYNOPSIS]
sfapefsignoi < in.rsf sfilt=sfilt.rsf nfilt=nfilt.rsf > out.rsf niter=100 eps=0. verb=n
[PARAMETERS]
float   | eps | =0. |   | 	regularization parameter 
file    | nfilt | = |   | 	auxiliary input file name
int     | niter | =100 |   | 	Number of iterations 
file    | sfilt | = |   | 	auxiliary input file name
bool    | verb | =n |  [y/n] | 	verbosity flag 
[DIRECTORY]
user/yliu
