{HEAD ~ A light pattern} is projected onto {TAIL ~ the object} to be measured while the cameras capture images of the object from several angles about the object 
is projected onto
{ HEAD ~ A light pattern } is projected onto { TAIL ~ the object } to be measured while the cameras capture images of the object from several angles about the object
HEAD HEAD HEAD HEAD HEAD HEAD HEAD REL REL REL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH