Method and apparatus for monitoring a position

Vesa Pentikäinen (Inventor)

    Research output: PatentPatent


    A method for determining the position of an object includes:
    using a projector to project a marker pattern to a projection zone such that a first marker feature of the marker pattern is projected on a first surface portion,
    using a camera to capture an image of a viewing zone which at least partly overlaps the projection zone, and
    determining the position of said first surface portion by analyzing the captured image,
    wherein the viewing zone surrounds the camera, and the image of the viewing zone is captured by forming an annular image of the viewing zone on an image sensor.

    Patent family as of 10.12.2021
    DE602017023724 D1 20201001 DE201760023724T 20170316      
    EP3430486 A1 20190123 EP20170718566 20170316      
    EP3430486 B1 20200916 EP20170718566 20170316      
    US10789730 BB 20200929 US20170085063 20170316      
    US2019080473 AA 20190314 US20170085063 20170316      
    WO17158240 A1 20170921 WO2017FI50175 20170316

    Link to currentpatent family on right 

    Original languageEnglish
    Patent numberEP3430486
    IPCG06T 7/ 73 A I
    Priority date16/03/17
    Publication statusPublished - 23 Jan 2019
    MoE publication typeH1 Granted patent


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