Synopsis
		sfregr < inp.rsf reg=reg.rsf > out.rsf dim=1 niter=10 method=2 verb=n n1iter=10 perc=90.0 fact=1.5 type=

Parameters
		int dim=1 number of dimensions   float fact=1.5 percentage for sharpening   int method=2 method (L1-like or L2)   int n1iter=10 number of POCS iterations   int niter=10 number of CG iterations   float perc=90.0 percentage for sharpening   file reg= auxiliary input file name   string type= thresholding type   bool verb=n [y/n] verbosity flag