| 摘要 |
PROBLEM TO BE SOLVED: To maintain easily the accuracy of correspondence relation between a detection position in object detection based on an image and a detection position in object detection based on a light beam. SOLUTION: An image 1 is acquired by imaging the vehicle front by an imaging device (30), and emission of the light beam in a prescribed direction of the vehicle front is started from a radar device (32), and an image 2 is acquired by imaging again the vehicle front by the imaging device (34). A differential image between the image 1 and the image 2 is generated (40), and a position on the differential image of an image part corresponding to a light spot showing the irradiation position of the light beam appearing on the differential image is detected (40), and the irradiation position of the light beam appearing on the image is stored correlatively with the light beam emission direction from the radar device 12 and the distance to an object measured by the radar device 12. COPYRIGHT: (C)2007,JPO&INPIT
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