Synopsis
		sfvelinv < cmp.rsf > vtr.rsf adj=n niter=0 ns=nx ds=0.001 os=0.00000001 nx=ns dx=10. ox=0. robust=n perc=90. fact=1.5 nliter=10 eps=1. type=

Parameters
		bool adj=n [y/n] adj = 0: from velocity-domain(t,s) to cmp-gather(t,x) adj = 1: from cmp-gather(t,x) to velocity-domain(t,s)   float ds=0.001 slowness sampling   float dx=10. offset sampling   float eps=1. regularization parameter for robust inversion   float fact=1.5 threshold factor for robust inversion   int niter=0 number of iterations (invoked if adj=y)   int nliter=10 number of POCS iterations for robust inversion   int ns=nx number of slowness values   int nx=ns number of offset values   float os=0.00000001 slowness origin   float ox=0. offset origin   float perc=90. threshold percentage for robust inversion   bool robust=n [y/n] robust inversion   string type= thresholding type