Method and system for eye tracking using speckle patterns
US10948981B2 · kind B2 · utility
2Cited by
1References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Nov 7, 2017 |
| Grant date | Mar 16, 2021 |
| Priority date | — |
| Expiry date | Nov 25, 2037 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06T2207/30041
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
A method of tracking movement of an eye of a user includes directing a light beam at the eye. The eye may reflect a portion of the light beam. The method further includes detecting a plurality of speckle patterns formed at a detector by the portion of the light beam reflected by the eye. The plurality of speckle patterns may be detected at a predetermined frame rate. The method further includes tracking movement of the eye by tracking the plurality of speckle patterns from frame to frame.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.