Inter-vehicle distance measuring device

Details Inter-vehicle distance measuring device Inter-vehicle distance measuring device

1992-12-09

1994-04-12

Buczinski, Stephen C.

Optics: measuring and testing

Range or remote distance finding

With photodetection

180167, 2502016, 2502018, 354402, 348142, G01C 300, G01C 500, B60T 716

Patent

active

053030192

ABSTRACT:
An inter-vehicle distance measuring device which can automatically set a tracing window for tracing an image of a fore-running vehicle to be measured for distance. A window setting unit sets plural numbers of windows at given locations on one of the images. An estimate member calculates a distance up to objects caught by those windows, detects the symmetry of the image, and estimates presence of a fore-running vehicle and its position on one of images, and the detected distance data as well. A tracing window is automatically set at the position.

REFERENCES:
patent: 4749848 (1988-06-01), Sorimachi
patent: 5023712 (1991-06-01), Kajiwara
patent: 5131740 (1992-07-01), Maekawa

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