LINEAR OPTICAL SENSOR ARRAYS (LOSA) TRACKING SYSTEM FOR ACTIVE MARKER BASED 3D MOTION TRACKING

    公开(公告)号:US20180081027A1

    公开(公告)日:2018-03-22

    申请号:US15709766

    申请日:2017-09-20

    Abstract: The present invention is a standalone motion tracking device using Linear Optical Sensor Arrays (LOSA). The invention constitutes a tracker module and an active marker, which communicate with each other wirelessly. The motion tracking device uses optical tracking along with inertial sensing to estimate the position and attitude of the active marker relative to the tracker module. The system determines the position of the active marker using stereovision triangulation through multiple views emanating from different LOSA modules. The present invention also features novel use of a multi-slit aperture for LOSA sensors in order to increase the field of view and resolution of the position estimates. The system uniquely leverages the structural geometry of the active marker, along with inertial sensing, to estimate the attitude of the active marker relative to the tracker module without relying on magnetic sensing that may often be unreliable.

    Linear optical sensor arrays (LOSA) tracking system for active marker based 3D motion tracking

    公开(公告)号:US10295651B2

    公开(公告)日:2019-05-21

    申请号:US15709766

    申请日:2017-09-20

    Abstract: The present invention is a standalone motion tracking device using Linear Optical Sensor Arrays (LOSA). The invention constitutes a tracker module and an active marker, which communicate with each other wirelessly. The motion tracking device uses optical tracking along with inertial sensing to estimate the position and attitude of the active marker relative to the tracker module. The system determines the position of the active marker using stereovision triangulation through multiple views emanating from different LOSA modules. The present invention also features novel use of a multi-slit aperture for LOSA sensors in order to increase the field of view and resolution of the position estimates. The system uniquely leverages the structural geometry of the active marker, along with inertial sensing, to estimate the attitude of the active marker relative to the tracker module without relying on magnetic sensing that may often be unreliable.

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