Traffic line recognition device

Details Traffic line recognition device Traffic line recognition device

2004-08-06

2008-03-18

Carter, Aaron W (Department: 2624)

Image analysis

Applications

Vehicle or traffic control

C348S113000, C340S907000, C701S023000

Reexamination Certificate

active

07346190

ABSTRACT:
A traffic line recognition device includes: a traffic line region candidate extraction section that extracts a traffic line candidate, as a traffic line candidate, from a road image obtained by a TV camera installed on a vehicle; a two dimension/three dimension transform section that transforms two dimensional image coordinates of a pixel contained in the traffic line region candidate into three dimensional coordinates; a histogram production section that accumulates and projects the three dimensional coordinates onto a coordinate system in a direction crossing a road and produces a histogram in the direction crossing the road; and a traffic line judgment unit determines a traffic line based on that histogram.

REFERENCES:
patent: 5555555 (1996-09-01), Sato et al.
patent: 6970605 (2005-11-01), Kondo et al.
patent: 2002/0159616 (2002-10-01), Ohta
patent: 1 304 607 (2003-04-01), None
patent: 11-085999 (1999-03-01), None
patent: 2003-123058 (2003-04-01), None

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