A system and method for conformal alignment of an aircraft-based head worn display (HWD) system defines far-field features in view of the HWD display, each far-field feature having a 3D truth position in a navigational reference frame. The aircraft GPS/IRS determines pointing vectors to each feature in the aircraft reference frame. The HWD user estimates a nominal head pose for orienting the far-field features in the HWD display, and the HWD system renders the far-field features based on the nominal head pose and pointing vectors. The rendered far-field features are aligned to their real-world 3D truth positions (either manually or with the assistance of witness cameras) and a latched pose of the HWD headtracker system determined based on a successful alignment within accuracy bounds. Based on the latched headtracker pose, the HWD headtracker alignment and the alignment of the HWD display reference frame to the aircraft reference frame are updated.


    Access

    Download


    Export, share and cite



    Title :

    System and method for conformal head worn display (HWD) headtracker alignment


    Contributors:

    Publication date :

    2024-02-27


    Type of media :

    Patent


    Type of material :

    Electronic Resource


    Language :

    English


    Classification :

    IPC:    G09G Anordnungen oder Schaltungen zur Steuerung oder Regelung von Anzeigevorrichtungen mit statischen Mitteln zur Darstellung veränderlicher Informationen , ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING DEVICES USING STATIC MEANS TO PRESENT VARIABLE INFORMATION / B64D Ausrüstung für Flugzeuge , EQUIPMENT FOR FITTING IN OR TO AIRCRAFT / G06F ELECTRIC DIGITAL DATA PROCESSING , Elektrische digitale Datenverarbeitung / G06T Bilddatenverarbeitung oder Bilddatenerzeugung allgemein , IMAGE DATA PROCESSING OR GENERATION, IN GENERAL



    Review of colored conformal symbology in head-worn displays

    da Silva Rosa, David L. / Peinecke, Niklas / Ernst, Johannes M. | SPIE | 2017


    ACCURACY ADAPTIVE SYMBOLOGY FOR HEAD WORN DISPLAY

    REID ALEXANDER D / KIRCHNER WILLIAM T / BOGGS CHRISTOPHER M et al. | European Patent Office | 2023

    Free access

    Systems and methods for interfacing with head worn display system

    WOOD ROBERT B / STRATTON ERIC P / ZIMMERMAN KENNETH A et al. | European Patent Office | 2021

    Free access

    Latency Requirements for Head-Worn Display S/EVS Applications

    Bailey, Randall E. / Trey Arthur, J. J., III / Williams, Steven P. | NTRS | 2004