Patent · US Active

Support glint for remote eye tracking

US11144755B2 · kind B2 · utility

0Cited by

0References

13Claims

0Family size

Assignee

Tobii AB · SE

Inventors

Jonas Sjöstrand · Danderyd, SE
Anders Dahl · Danderyd, SE
Mattias Karlsson · Danderyd, SE

Key dates

Filing date	Mar 28, 2019
Grant date	Oct 12, 2021
Priority date	—
Expiry date	Mar 28, 2039

Classification

Technology area (CPC G)Physics
CPC primaryG06T2207/10152
WIPO fieldComputer technology
WIPO sectorElectrical engineering

Abstract

Methods and corresponding systems of controlling illuminators in an eye tracking system are disclosed. The system includes a first image sensor, a second image sensor, a first close illuminator arranged to capture bright pupil images by the first image sensor, a second close illuminator arranged to capture bright pupil images by the second image sensor and one or more far illuminators arranged to capture dark pupil images by the first image sensor and the second image sensor. In the methods main and support illuminators are controlled during exposure of a first and a second image sensor to produce enhanced contrast and glint position for eye/gaze tracking.

Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.