Program sffxyspf | 3D f-x-y streaming prediction filter (SPF) for interpolation/denoising.  
[SYNOPSIS]
sffxyspf < inp.rsf > out.rsf mask=msk.rsf verb=n type=1 lambda1= lambda2= lambda3= na1= na2=
[PARAMETERS]
float   | lambda1 | = |   | 	lambda1 
float   | lambda2 | = |   | 	lambda2 
float   | lambda3 | = |   | 	lambda3 
file    | mask | = |   | 	auxiliary input file name
int     | na1 | = |   | 	fiter size along x axis 
int     | na2 | = |   | 	fiter size along y axis 
int     | type | =1 |   | 	default = 1,
     1 : denoise with noncausul filter desin
     2 : interpolation with causul filter design
bool    | verb | =n |  [y/n] | 	default=false, verbosity flag 
[DIRECTORY]
user/yliu
