A traffic light detection device capable of properly selecting a traffic light for a detection target depending on an obstruction state of the traffic light is provided. A traffic light detection device (10) includes: an image capture unit (31) that is mounted on a vehicle and captures an image of surroundings; a vehicle location detection unit (11) that detects a location of the vehicle; a map information unit (12) that stores map information; a traffic light location estimation unit (13) that estimates a location of a traffic light around the vehicle with reference to the location of the vehicle and the map information, and sets a traffic light search area in which the traffic light is estimated to be present; a traffic light detection unit (32) that detects the traffic light by searching the traffic light search area on the image; and an obstruction estimation unit (22) that estimates whether a continuous obstruction state where a view of the traffic light is continuously obstructed occurs in the traffic light search area. When the obstruction estimation unit (22) estimates that a continuous obstruction state occurs, the traffic light location estimation unit (13) selects the traffic light search area based on the continuous obstruction state.
TRAFFIC SIGNAL DETECTION DEVICE AND TRAFFIC SIGNAL DETECTION METHOD
VORRICHTUNG UND VERFAHREN ZUR ERKENNUNG EINER VERKEHRSAMPEL
DISPOSITIF DE DÉTECTION DE SIGNAL DE CIRCULATION ET PROCÉDÉ DE DÉTECTION DE SIGNAL DE CIRCULATION
2020-05-13
Patent
Elektronische Ressource
Englisch
IPC: | G08G Anlagen zur Steuerung, Regelung oder Überwachung des Verkehrs , TRAFFIC CONTROL SYSTEMS / G01C Messen von Entfernungen, Höhen, Neigungen oder Richtungen , MEASURING DISTANCES, LEVELS OR BEARINGS / G06K Erkennen von Daten , RECOGNITION OF DATA / G06T Bilddatenverarbeitung oder Bilddatenerzeugung allgemein , IMAGE DATA PROCESSING OR GENERATION, IN GENERAL |
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