Vehicle driving assist system

Television – Special applications – Observation of or from a specific location

Reexamination Certificate

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Details

C348S116000, C348S118000, C348S153000

Reexamination Certificate

active

07940301

ABSTRACT:
In a vehicle driving assist system, an external environment recognition unit detects a 3-D obstacle inhibiting the driving direction of the vehicle based on an image captured by a stereo camera and determines whether the image ahead of the vehicle is in a condition that makes visual perception of the 3-D obstacle difficult. A controller calculates a required alarm working distance between the vehicle and the 3D obstacle, at which an alarm unit is worked when the vehicle approaches the 3D obstacle, and a required brake operating distance, at which a brake is operated by a brake applying unit, based on a vehicle traveling speed. If it is determined that an external environment is in a condition that makes visual perception difficult, the required working and operating distances are extended by predetermined values to set the working and operating timings earlier.

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Zheng-Tie Sun et al.; “On-Road Computer Vision Based Obstacle Detection”; Proceedings of the 2002 IEEE/RSJ International Conference on Intelligent Robots and Systems; Luasanne, Switzerland, Sep. 30-Oct. 4, 2002; IEEE/RSJ International Conference on Intelligent Robots and Systems; New York, NY, vol. 1, vol. 1 of 3, Sep. 30, 2002, pp. 49-54, XP010609227.

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