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 {HEAD ~ an observed depth image} of {TAIL ~ the human target} from a source 
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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 { HEAD ~ an observed depth image } of { TAIL ~ the human target } from a source
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH