Eye glint imaging in see-through computer display systems
First Claim
Patent Images
1. A method, comprising:
- illuminating a user'"'"'s eye with an illumination source of a wearable head device including a display to produce an eye glint;
capturing an image of the user'"'"'s eye with a camera of the wearable head device, wherein the image includes the eye glint;
determining a sharpness of the eye glint in the captured image;
determining, based on the sharpness of the eye glint, a focus distance for the user'"'"'s eye;
adjusting a display image based on the determined focus distance; and
presenting the display image on the display.
6 Assignments
0 Petitions
Accused Products
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.
-
Citations
22 Claims
-
1. A method, comprising:
-
illuminating a user'"'"'s eye with an illumination source of a wearable head device including a display to produce an eye glint; capturing an image of the user'"'"'s eye with a camera of the wearable head device, wherein the image includes the eye glint; determining a sharpness of the eye glint in the captured image; determining, based on the sharpness of the eye glint, a focus distance for the user'"'"'s eye; adjusting a display image based on the determined focus distance; and presenting the display image on the display. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11)
-
-
12. A wearable head device comprising:
-
a display; an illumination source configured to illuminate an eye of a user of the wearable head device, wherein illuminating the eye produces an eye glint; a camera configured to capture an image of the eye, the captured image including the eye glint; and one or more processors configured to; determine a sharpness of the eye glint in the captured image; determine, based on the sharpness of the eye glint, a focus distance of the eye; adjust a display image based on the determined focus distance; and present the display image on the display. - View Dependent Claims (13, 14, 15, 16, 17, 18, 19, 20, 21, 22)
-
Specification