Method and apparatus for identifying pupil in image
US10755081B2 · kind B2 · utility
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Key dates
| Filing date | Nov 4, 2016 |
| Grant date | Aug 25, 2020 |
| Priority date | — |
| Expiry date | Nov 22, 2036 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06V40/193
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A method and device for identifying a pupil in an image is provided. The method comprises four steps including: A. image preprocessing, B. edge detecting, C. building connected graphs, and D. screening connected graph pairs.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.