In some embodiments, synthesized pixels that do not correspond to a body part may be given {HEAD ~ a different type} of {TAIL ~ index} 
of
In some embodiments , synthesized pixels that do not correspond to a body part may be given { HEAD ~ a different type } of { TAIL ~ index }
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL