Synopsis
		sfsimilarity < in.rsf > out.rsf other=other.rsf verb=y niter=20 eps=0.0f rect#=(1,1,...)

September 2015 program of the month:
http://ahay.org/blog/2015/09/14/program-of-the-month-sfsimilarity/

Parameters
		float eps=0.0f regularization   int niter=20 maximum number of iterations   file other= auxiliary input file name   int rect#=(1,1,...) smoothing radius on #-th axis   bool verb=y [y/n] verbosity

Used In
		GEE          lsq/puck   TCCS          aii/heidrun attr/vecta cs/sean cs/synth drr5d/hyper drr5d/synth ltft/vecta merge/apache ortho/orthocomplex ortho/orthocsimul ortho/orthofair ortho/orthonine ortho/orthorna orthogroll/field pcastack/field pcastack/synth phase/boon phase/zero sgk/synth simistack/bei simistack/flat4 simistack/similarity simistack/simple sparse/sparse-experim-shaping sparse/vg stackadcig/flat stackadcig/sigsbee stackadcig/simple strfilter/bei strfilter/hongliu strfilter/spray strsvd/complex strsvd/fieldstrsvd svmf/fairfield svmf/test svmf/testnoise svscan/simi synth/ordexample20hz vscan/weight   UH          avostack/cmp1 avostack/cmp2 avostack/stack avostack/synh avostack/synl   ZJU          odrr3d/hyp3d odrr3d/hyp3d_N20 odrr3d/syn3d odrr3d/syn3d_N6 odrr3d/syn3d_hf odrr5d/hyper odrr5d/synth odrr5d/synth2 sosvmf/field sosvmf/hyper sosvmf/jy