GAZE TRACKING FOR ONE OR MORE USERS

1 . A system for gaze tracking, comprising:

a gaze tracking component configured to:

utilize a user tracking component to obtain first user tracking data for a first user at a first time T 1 ;

evaluate the first user tracking data to identify a first spatial location of the first user at the first time T 1 ;

select a first eye capture camera from an eye capture camera configuration based upon the first eye capture camera having a first view frustum corresponding to the first spatial location, the eye capture camera configuration comprising a plurality of eye capture cameras having a fixed view frustum configuration;

invoke the first eye capture camera to obtain first eye region imagery of the first user at the first time T 1 ; and

generate first gaze tracking information for the first user at the first time T 1 based upon the first eye region imagery.

2 . The system of claim 1 , the gaze tracking component configured to:

perform a task based upon the first gaze tracking information.

3 . The system of claim 1 , the gaze tracking component configured to:

predict a potential new spatial location of the first user; and

responsive to the potential new spatial location corresponding to a second view frustum for eye capture camera, awaken the second eye capture camera into a capture ready state for obtaining eye region imagery.

4 . The system of claim 1 , the gaze tracking component configured to:

maintain one or more eye capture cameras of the eye capture camera configuration in a powered down state at the first time T 1 based upon the one or more eye capture cameras having view frustums not corresponding to the first spatial location.

5 . The system of claim 1 , the gaze tracking component configured to:

responsive to the first user tracking data indicating that the first user is, at a second time T 2 , within a second spatial location to which the first view frustum does not correspond, transition the first eye capture camera into a powered down state at the second time T 2 .

6 . The system of claim 1 , the gaze tracking component configured to:

select a second eye capture camera from the eye capture camera configuration based upon the second eye capture camera having a second view frustum corresponding to the first spatial location;

invoke the second eye capture camera to obtain second eye region imagery of the first user at the first time T 1 ; and

combine the first eye region imagery and the second eye region imagery to generate the first gaze tracking information.

7 . The system of claim 1 , the gaze tracking component configured to:

responsive to the first user tracking data indicating that the first user is, at a second time T 2 , within a second spatial location:

select a second eye capture camera from the eye capture camera configuration based upon the second eye capture camera having a second view frustum corresponding to the second spatial location;

transition, at the second time T 2 , the first eye capture camera into a powered down state based upon the first view frustum not corresponding to the second spatial location;

invoke the second eye capture camera to obtain second eye region imagery of the first user at the second time T 2 ; and

generate second gaze tracking information for the first user at the second time T 2 based upon the second eye region imagery.

8 . The system of claim 1 , the gaze tracking component configured to:

utilize the user tracking component to obtain second user tracking data for a second user at the first time T 1 ;

evaluate the second user tracking data to identify a second spatial location of the second user at the first time T 1 ;

select a second eye capture camera from the eye capture camera configuration based upon the second eye capture camera having a second view frustum corresponding to the second spatial location;

invoke the second eye capture camera to obtain second eye region imagery of the second user at the first time T 1 ; and

generate second gaze tracking information for the second user at the first time T 1 based upon the second eye region imagery.

9 . The system of claim 8 , the gaze tracking component configured to:

concurrently track the first gaze tracking information for the first user and the second gaze tracking information for the second user.

10 . The system of claim 1 , first eye capture camera having a first resolution that is greater than a second resolution of the user tracking component.

11 . The system of claim 1 , the gaze tracking component configured to:

selectively utilize eye capture cameras of the eye capture camera configuration to concurrently track gaze tracking information of one or more users.

12 . The system of claim 1 , the gaze tracking component configured to:

turn on a pupil illumination structure of the first eye capture camera to invoke the first eye capture camera to obtain the first eye region imagery.

13 . The system of claim 1 , the gaze tracking component configured to:

turn on an LED dark pupil structure; and

invoke the first eye capture camera to capture glint corneal reflection data resulting from the LED dark pupil structure to obtain the first eye region imagery.

14 . The system of claim 1 , the user tracking component comprising at least one of a depth camera, a passive sensor, an active sensor, an infrared device, a time of flight device, or a camera.

15 . The system of claim 1 , at least one of the eye capture cameras of the eye capture camera configuration having a horizontal view of about 20 degrees to about 40 degrees and a vertical view of about 10 degrees to about 30 degrees frustum.

16 . A method for gaze tracking, comprising:

utilizing a user tracking component to obtain first user tracking data for a first user at a first time T 1 ;

evaluating the first user tracking data to identify a first spatial location of the first user at the first time T 1 ;

selecting a first eye capture camera from an eye capture camera configuration based upon the first eye capture camera having a first view frustum corresponding to the first spatial location, the eye capture camera configuration comprising a plurality of eye capture cameras having a fixed view frustum configuration;

invoking the first eye capture camera to obtain first eye region imagery of the first user at the first time T 1 ; and

generating first gaze tracking information for the first user at the first time T 1 based upon the first eye region imagery.

17 . The method of claim 16 , comprising:

maintaining one or more eye capture cameras of the eye capture camera configuration in a powered down state at the first time T 1 based upon the one or more eye capture cameras having view frustums not corresponding to the first spatial location.

18 . The method of claim 16 , comprising:

responsive to the first user tracking data indicating that the first user is, at a second time T 2 , within a second spatial location:

selecting a second eye capture camera from the eye capture camera configuration based upon the second eye capture camera having a second view frustum corresponding to the second spatial location;

transitioning, at the second time T 2 , the first eye capture camera into a powered down state based upon the first view frustum not corresponding to the second spatial location;

invoking the second eye capture camera to obtain second eye region imagery of the first user at the second time T 2 ; and

generating second gaze tracking information for the first user at the second time T 2 based upon the second eye region imagery.

19 . The method of claim 16 , comprising:

utilizing the user tracking component to obtain second user tracking data for a second user at the first time T 1 ;

evaluating the second user tracking data to identify a second spatial location of the second user at the first time T 1 ;

selecting a second eye capture camera from the eye capture camera configuration based upon the second eye capture camera having a second view frustum corresponding to the second spatial location;

invoking the second eye capture camera to obtain second eye region imagery of the second user at the first time T 1 ; and

generating second gaze tracking information for the second user at the first time T 1 based upon the second eye region imagery.

20 . A computer readable medium comprising instructions which when executed perform a method for concurrently tracking gaze tracking information for multiple users, comprising:

tracking a first user, comprising:

utilizing a user tracking component to obtain first user tracking data for the first user at a first time T 1 ;

evaluating the first user tracking data to identify a first spatial location of the first user at the first time T 1 ;

selecting a first eye capture camera from an eye capture camera configuration based upon the first eye capture camera having a first view frustum corresponding to the first spatial location, the eye capture camera configuration comprising a plurality of eye capture cameras;

invoking the first eye capture camera to obtain first eye region imagery of the first user at the first time T 1 ; and

generating first gaze tracking information for the first user at the first time T 1 based upon the first eye region imagery; and

concurrently tracking a second user while tracking the first user, comprising:

utilizing the user tracking component to obtain second user tracking data for the second user at the first time T 1 ;

evaluating the second user tracking data to identify a second spatial location of the second user at the first time T 1 ;

selecting a second eye capture camera from the eye capture camera configuration based upon the second eye capture camera having a second view frustum corresponding to the second spatial location;

invoking the second eye capture camera to obtain second eye region imagery of the second user at the first time T 1 ; and

generating second gaze tracking information for the second user at the first time T 1 based upon the second eye region imagery.