Systems and methods for multimodal pose and motion tracking for magnetic field measurement or recording systems
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United States of America Patent
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Sep 26, 2023
Grant Date -
Dec 2, 2021
app pub date -
May 24, 2021
filing date -
May 28, 2020
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Abstract
A magnetic field recording system includes a headgear to be placed on a user; optically pumped magnetometers (OPMs) disposed in or on the headgear to detect magnetic fields; at least two sensing modalities selected from the following: i) a magnetic sensing modality, ii) an optical sensing modality, or iii) an inertial sensing modality; and a tracking unit configured to receive, from each of the at least two sensing modalities, a corresponding magnetic data stream, optical data stream, or inertial data stream and to track a position or orientation of the headgear or user; and a system controller configured to control operation of the OPMs and to receive, from the tracking unit, the position or orientation of the headgear or user.
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