Device and method for user authentication on basis of iris recognition
US11449590B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Nov 23, 2018 |
| Grant date | Sep 20, 2022 |
| Priority date | — |
| Expiry date | Jun 16, 2039 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06V40/193
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Provided are a user authentication device and method based on iris recognition. The user authentication method includes: acquiring an image of a user's left and right eyes; extracting a pupil image and an iris image from the image; obtaining a first iris feature by analyzing the iris image; obtaining a second iris feature by analyzing the iris image and the pupil image; obtaining a similarity score based on the first iris feature, the second iris feature, and prestored reference iris data; and determining whether to approve user authentication based on the similarity score.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.