Fingerprint unlocking method and electronic device, and storage medium
US11670107B2 · kind B2 · utility
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18Claims
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Assignee
Inventor
Key dates
| Filing date | Feb 25, 2022 |
| Grant date | Jun 6, 2023 |
| Priority date | — |
| Expiry date | Feb 25, 2042 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06T2200/04
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A fingerprint unlocking method, includes obtaining a fingerprint image through an optical fingerprint sensor of an electronic device when a user performs fingerprint unlocking on the electronic device; obtaining an extended fingerprint image by performing fingerprint extending processing on the fingerprint image according to a preset curvature; and unlocking the electronic device if the extended fingerprint image matches a preset fingerprint image.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.