Enhanced obstacle detection and tracking for...

Details Enhanced obstacle detection and tracking for... Enhanced obstacle detection and tracking for...

2007-09-28

2010-06-22

Goins, Davetta W (Department: 2612)

Communications: electrical

Land vehicle alarms or indicators

Of relative distance from an obstacle

C340S436000, C340S934000, C340S937000, C382S103000, C348S148000, C701S096000

Reexamination Certificate

active

07741961

ABSTRACT:
An obstacle detection and tracking system identifies objects in the path of a vehicle equipped with the system and issues a visual, audible, and/or control system warning. The system includes a depth imaging system that acquires depth data from objects in the field of view of a detection zone encompassing at least a portion of the road to be driven upon. It is assumed most of the acquired data represents road plane information. Statistical analysis of the depth image data identifies in (X,Y,Z) space at least one plane of the road being driven, after which identification threshold normal heights above and below the road plane are defined. Imaged objects within the detection zone that are higher or lower than a threshold normal are deemed of potential concern and will generate a warning to the vehicle operator or vehicle.

REFERENCES:
patent: 6963657 (2005-11-01), Nishigaki et al.
patent: 7043084 (2006-05-01), Beardsley
patent: 7298247 (2007-11-01), Shimizu
patent: 7356408 (2008-04-01), Tsuchiya et al.
patent: 7372977 (2008-05-01), Fujimura et al.
patent: 7378947 (2008-05-01), Daura Luna et al.

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