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.


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    Title :

    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


    Additional title:

    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


    Contributors:

    Publication date :

    2015-11-18


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    French


    Classification :

    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