TRAFFIC-LIGHT RECOGNITION DEVICE AND TRAFFIC-LIGHT RECOGNITION METHOD

Title:

TRAFFIC-LIGHT RECOGNITION DEVICE AND TRAFFIC-LIGHT RECOGNITION METHOD

Document Type and Number:

WIPO Patent Application WO/2015/177864

Kind Code:

A1

Abstract:

This traffic-light recognition device (100) acquires (11) image data (D08) by imaging the surroundings of a vehicle, detects (12) the location of said vehicle, and from the image, detects a traffic light near the vehicle. Two or more traffic lights that are predicted to appear in the image are identified (23) from information (D05) indicating the location of the vehicle and map information (D02) containing traffic-light location information. A priority order is set (24) for said two or more traffic lights on the basis of the likelihoods that the respective traffic lights are occluded. Then, if two or more traffic lights were identified, the identified traffic light that is the highest in the aforementioned priority order is detected (15) from the image.

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Inventors:

YAMANOI DAIKI (JP)
ANDOU TOSHIYUKI (JP)
NISHIUCHI HIDEKAZU (JP)
MATSUO HARUO (JP)
SATOH HIROSHI (JP)

Application Number:

PCT/JP2014/063347

Publication Date:

November 26, 2015

Filing Date:

May 20, 2014

Export Citation:

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Assignee:

NISSAN MOTOR (JP)

International Classes:

G08G1/09; G01C21/26

Domestic Patent References:

WO2008038370A1

2008-04-03

Foreign References:

JP2008293277A	2008-12-04
JP2013171489A	2013-09-02
JP2008149786A	2008-07-03
JP2007320458A	2007-12-13
JP2007178223A	2007-07-12
JP2007257299A	2007-10-04

Other References: