Calibration system for a head-mounted display tracking system

A calibration system is configured to determine calibration information of a head-mounted display (HMD). The calibration system comprises a first, second, and third planar grid, a movable platform, and a calibration controller. Each planar grid includes a plurality of fiducial markers that are displ...

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Bibliographische Detailangaben
Hauptverfasser:	Linde, Oskar, Melim, Andrew
Format:	Patent
Sprache:	eng
Schlagworte:	CALCULATING COMPUTING COUNTING ELECTRIC COMMUNICATION TECHNIQUE ELECTRICITY IMAGE DATA PROCESSING OR GENERATION, IN GENERAL PHYSICS PICTORIAL COMMUNICATION, e.g. TELEVISION
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Beschreibung
Zusammenfassung:	A calibration system is configured to determine calibration information of a head-mounted display (HMD). The calibration system comprises a first, second, and third planar grid, a movable platform, and a calibration controller. Each planar grid includes a plurality of fiducial markers that are displayed in accordance with a display pattern. The HMD is coupled to the movable platform, which moves the HMD before the planar grids as a plurality of cameras on the HMD captures images of the planar grids with fiducial markers. The calibration controller controls a motion sequence of the movable platform and determines calibration information for each of the cameras on the HMD and calibration information for an inertial measurement unit (IMU) within the HMD. The calibration information is based in part on a parameterized model of the motion sequence of the HMD.