Eye tracking based on vergence
US12056276B1 · kind B1 · utility
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20Claims
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Key dates
| Filing date | Apr 27, 2023 |
| Grant date | Aug 6, 2024 |
| Priority date | — |
| Expiry date | Apr 27, 2043 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG02B2027/0187
- WIPO fieldOptics
- WIPO sectorInstruments
Abstract
An eye tracking technique obtains a more precise estimate of a gaze location on an image by determining the vergence location of a user's eyes. The more precise estimate of the gaze location may be obtained by using multiple inputs, including a coarse estimate of the gaze location using a camera that receives non-visible light reflected from the eyes, discrete probabilities of gaze locations for each eye, depth information for objects contained in the image, and saliency information for objects contained in the image.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.