Online Help:

Usage: /vol/vssp/local/trees/amma-4/linux/bin/doMeanShiftAlg [options] 
   -optload () [] Load options from a file.  
   -optsave () [] Save options to a file.  
   -vl () [(null)] input dataset file 
   -i () [(null)] input image 
   -o (res.pgm) [res.pgm] output segmented image 
   -d (out.dset) [out.dset] output dataset 
   -sr (2) [2] stdev for range 
   -ss (2) [2] stdev for scale 
   -b (0) [0] border around image 
   -help (TRUE) [FALSE] Print usage information.