Eye glint imaging in see-through computer display systems
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United States of America Patent
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Dec 5, 2017
Issued Date -
N/A
app pub date -
Oct 15, 2015
filing date -
Jan 21, 2014
priority date (Note) -
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Abstract
Disclosure herein concerns a method that includes illuminating a user's eye with an illumination source in a head-worn display, capturing an image of the user's eye with an eye camera in the head-worn display, wherein the image includes an eye glint produced by light from the illumination source that is reflected from a surface of the user's eye, determining a size of an eye glint in the captured image, and identifying a change in focus distance for the user's eye in correspondence with a change in the size of the eye glint.
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International Classification(s)
- G06T:IMAGE DATA PROCESSING OR GENERATION, IN GENERAL
- G09G:ARRANGEMENTS OR CIRCUITS FOR CONTROL OF INDICATING....
- G06F:ELECTRIC DIGITAL DATA PROCESSING
- G02B:OPTICAL ELEMENTS, SYSTEMS, OR APPARATUS
- G02C:SPECTACLES; SUNGLASSES OR GOGGLES INSOFAR AS THEY ....
- G06K:RECOGNITION OF DATA; PRESENTATION OF DATA; RECORD ....
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