An in-vehicle information system includes a camera and a controller that accept gesture input. A controller receives frames of video data and generates trajectory data for a movement of a hand in the video data. The controller uses a first hidden Markov model (HMM) to decode a sequence of strokes from the trajectory data, removes a starting and ending stroke to form an edited stroke sequence, and re-normalizes the strokes in the edited stroke sequence. The controller uses a second HMM corresponding to a predetermined set of characters to identify a character corresponding to the re-normalized edited stroke sequence.


    Access

    Download


    Export, share and cite



    Title :

    SYSTEM AND METHOD FOR IDENTIFYING HANDWRITING GESTURES IN AN IN-VEHICLE INFROMATION SYSTEM


    Additional title:

    SYSTEM UND VERFAHREN ZUR IDENTIFIKATION VON HANDSCHRIFTGESTEN IN EINEM FAHRZEUGINTERNEN INFORMATIONSSYSTEM
    SYSTÈME ET PROCÉDÉ PERMETTANT D'IDENTIFIER DES GESTES D'ÉCRITURE DANS UN SYSTÈME D'INFORMATIONS EMBARQUÉ DANS UN VÉHICULE


    Contributors:
    FENG ZHE (author) / CHENG YOU-CHI (author) / LEE CHIN-HUI (author) / WENG FULIANG (author)

    Publication date :

    2018-06-13


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    B60W CONJOINT CONTROL OF VEHICLE SUB-UNITS OF DIFFERENT TYPE OR DIFFERENT FUNCTION , Gemeinsame Steuerung oder Regelung von Fahrzeug-Unteraggregaten verschiedenen Typs oder verschiedener Funktion / B60R Fahrzeuge, Fahrzeugausstattung oder Fahrzeugteile, soweit nicht anderweitig vorgesehen , VEHICLES, VEHICLE FITTINGS, OR VEHICLE PARTS, NOT OTHERWISE PROVIDED FOR / G06K Erkennen von Daten , RECOGNITION OF DATA / G06F ELECTRIC DIGITAL DATA PROCESSING , Elektrische digitale Datenverarbeitung



    System and method for identifying handwriting gestures in an in-vehicle information system

    CHENG YOU-CHI / FENG ZHE / LEE CHIN-HUI et al. | European Patent Office | 2016

    Free access


    APPARATUS FOR EMITTING ROAD SURFACE INFROMATION AND METHOD THEREOF

    LEE DEUK GYU | European Patent Office | 2022

    Free access

    Pan-European RDS-TMC Traffic Infromation Services (DEFI Initiative)

    Bowerman, D. | British Library Conference Proceedings | 1995


    BATTERY LIFE INFROMATION PROVIDING DEVICE AND OPERATING METHOD OF THE SAME

    RO CHANG SUK | European Patent Office | 2024

    Free access