IMAGING DEVICE AND METHOD FOR GENERATING AN IMAGE OF ROAD MARKINGS

IMAGING DEVICE AND METHOD FOR GENERATING AN IMAGE OF ROAD MARKINGS

The invention relates to an imaging device (10) for generating an image of road markings, comprising a visible-light projector (23) capable of illuminating the roadway at an angle of 1.24º, a means (25) for measuring the illumination, means (22, 24) for acquiring brightness profiles (P1...P20), capa...

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Hauptverfasser: CHARBONNIER, PIERRE, SEBSADJI, YAZID, GUILLARD, YANNICK, FOUCHER, PHILIPPE
Format: Patent
Sprache:eng ; fre ; ger
Schlagworte:
CALCULATING
COMPUTING
COUNTING
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
SIGNALLING
TESTING
TRAFFIC CONTROL SYSTEMS
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creator CHARBONNIER, PIERRE
SEBSADJI, YAZID
GUILLARD, YANNICK
FOUCHER, PHILIPPE
description The invention relates to an imaging device (10) for generating an image of road markings, comprising a visible-light projector (23) capable of illuminating the roadway at an angle of 1.24º, a means (25) for measuring the illumination, means (22, 24) for acquiring brightness profiles (P1...P20), capable of acquiring brightness profiles at measurement locations consecutively illuminated by the projector, and a calculation means (40) capable of determining brightness profiles of retroreflected light from the acquired brightness profiles. The calculation means (40) are advantageously further capable of generating the image representing the markings from a plurality of brightness profiles acquired by the acquisition means. The invention also relates to a method implemented using said device.
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subjects CALCULATING
COMPUTING
COUNTING
INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIRCHEMICAL OR PHYSICAL PROPERTIES
MEASURING
PHYSICS
SIGNALLING
TESTING
TRAFFIC CONTROL SYSTEMS
title IMAGING DEVICE AND METHOD FOR GENERATING AN IMAGE OF ROAD MARKINGS
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