{HEAD ~ The cameras} in {TAIL ~ the target vehicles} target camera each pass the resulting multiple video output signals to a computer for further processing 
in
{ HEAD ~ The cameras } in { TAIL ~ the target vehicles } target camera each pass the resulting multiple video output signals to a computer for further processing
HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH