{HEAD ~ A target tracking method} includes representing a human target with a machine readable model configured for adjustment into a plurality of different poses and receiving {TAIL ~ an observed depth image} of the human target from a source 
includes receiving
{ HEAD ~ A target tracking method } includes representing a human target with a machine readable model configured for adjustment into a plurality of different poses and receiving { TAIL ~ an observed depth image } of the human target from a source
HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH