A device is provided for measuring speed and/or position of a vehicle moving along a guidance track, by day and by night, and doing so whatever the climatic conditions. Such a device includes at least one image capture apparatus delivering a sequence of digital images of an environment of the vehicle; an apparatus that determines the apparent motion of at least one visual index, called a primitive, between two images delivered by the image capture apparatus, so as to determine the apparent motion of said at least one visual index; and an apparatus that estimates speed and/or the position of the vehicle on the basis of the apparent motion of the at least one visual index.
DISPOSITIF DE MESURE DE VITESSE ET DE POSITION D'UN VÉHICULE SE DÉPLAÇANT LE LONG D'UNE VOIE DE GUIDAGE, PROCÉDÉ ET PRODUIT PROGRAMME D'ORDINATEUR CORRESPONDANT
DEVICE FOR MEASURING SPEED AND POSITION OF A VEHICLE MOVING ALONG A GUIDANCE TRACK, METHOD AND COMPUTER PROGRAM PRODUCT CORRESPONDING THERETO
VORRICHTUNG ZUR MESSUNG DER GESCHWINDIGKEIT UND POSITION EINES SICH ENTLANG EINER FÜHRUNGSSPUR BEWEGENDEN FAHRZEUGES, VERFAHREN UND COMPUTERPROGRAMMPRODUKT DAFÜR
2015-11-18
Patent
Electronic Resource
French
IPC: | B61L Leiten des Eisenbahnverkehrs , GUIDING RAILWAY TRAFFIC / G01P MEASURING LINEAR OR ANGULAR SPEED, ACCELERATION, DECELERATION OR SHOCK , Messen der Linear- oder Winkelgeschwindigkeit, der Beschleunigung, der Verzögerung oder des Stoßes / G01C Messen von Entfernungen, Höhen, Neigungen oder Richtungen , MEASURING DISTANCES, LEVELS OR BEARINGS / G06T Bilddatenverarbeitung oder Bilddatenerzeugung allgemein , IMAGE DATA PROCESSING OR GENERATION, IN GENERAL |
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