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