The pickup unit is provided in a reference vehicle with a headlight and working to pick up {HEAD ~ an image} of {TAIL ~ the rectangular area} ahead of the reference vehicle 
of
The pickup unit is provided in a reference vehicle with a headlight and working to pick up { HEAD ~ an image } of { TAIL ~ the rectangular area } ahead of the reference vehicle
OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH OTH HEAD HEAD HEAD HEAD HEAD HEAD REL TAIL TAIL TAIL TAIL TAIL TAIL TAIL OTH OTH OTH OTH OTH