Blink-based calibration of an optical see-through head-mounted display

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United States of America Patent

PATENT NO 11861062
APP PUB NO 20200363867A1
SERIAL NO

15733453

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Abstract

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A calibration platform may display, via an optical see-through head-mounted display (OST-HMD), a virtual image having at least one feature. The calibration platform may determine, based on information relating to a gaze of a user wearing the OST-HMD, that the user performed a voluntary eye blink to indicate that the at least one feature of the virtual image appears to the user to be aligned with at least one point on the three-dimensional real-world object. The calibration platform may record an alignment measurement based on a position of the at least one point on the three-dimensional real-world object in a real-world coordinate system based on a time when the user performed the voluntary eye blink. Accordingly, the alignment measurement may be used to generate a function providing a mapping between three-dimensional points in the real-world coordinate system and corresponding points in a display space of the OST-HMD.

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Patent Owner(s)

Patent OwnerAddress
THE JOHNS HOPKINS UNIVERSITYAPPLIED PHYSICS LABORATORY JOHNS HOPKINS ROAD LAUREL MD 20723-6099

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Azimi, Ehsan Baltimore, US 7 110
Kazanzides, Peter Lutherville, US 18 5479
Navab, Nassir Fairfax, US 88 4093
Qian, Long Baltimore, US 33 156

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