| 摘要 |
PROBLEM TO BE SOLVED: To make a driver conduct easily and exactly avoiding travel for an emergency vehicle to contribute smooth traffic flow, by exhibiting effectively what kind of vehicle, for example the emergency vehicle, a following is. SOLUTION: When an image picked up by CCD cameras 10a, 10b is processed by an image prosessor 20 to calculate distance distribution information, the distance distribution information is read in a controller 30 and detects a road shape and three-dimensional positions of plural three-dimensional bodies (vehicle, obstacle and the like), so as to specify the following vehicle. A size of the detected following vehicle is copmared to determine a type of the following vehicle based on a comparison result therein, and the type is displayed on a display 9. The presence of lighting of a rotary lamp peculiar to each kind of the vehicles is determined, and the vehicle is determined as the emergency vehicle to be displayed on the display 9 when the lighting of the rotary lamp is obsereved. |
