Guard rail detecting device

Details Guard rail detecting device Guard rail detecting device

1992-02-14

1993-06-29

Hellner, Mark

Optics: measuring and testing

Range or remote distance finding

With photodetection

356 4, 358105, 358126, G01C 300

Patent

active

052239071

ABSTRACT:
A guard rail detecting device mounted on a motor vehicle has: two image sensors spaced vertically to sense a scene in front of the motor vehicle; a window setting device for setting a plurality of windows on the display screen at predetermined positions; a distance calculating device for calculating the distances from the vehicle to the parts of the guard rail which are held as images in the windows; and a device for calculating the curvature of the guard rail from the distances thus calculated.

REFERENCES:
patent: 4195425 (1980-04-01), Leitz et al.
patent: 4589770 (1986-05-01), Jones et al.
patent: 4668084 (1987-05-01), Suzuki et al.
patent: 4916302 (1990-04-01), Sorimachi
patent: 5023712 (1991-06-01), Kajiwara
patent: 5131740 (1992-07-01), Maekawa
patent: 5139327 (1992-08-01), Tanaka

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