Palm print recognition method, method for training feature extraction model, comprising obtaining sample hand images for user identifiers, calling feature extraction model to extract palm print features, and adjust the feature extraction model according to the sample palm print features
US12347227B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | May 13, 2022 |
| Grant date | Jul 1, 2025 |
| Priority date | — |
| Expiry date | Jun 10, 2043 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06T2207/20221
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Embodiments of this application disclose a palm print recognition method, a method for training a feature extraction model, a device, and a storage medium, and belong to the field of computer technologies. The method includes: obtaining sample hand images for each of a plurality of sample user identifiers, at least two of the sample hand images associated with the each of the plurality of sample user identifier being acquired from image acquisition devices having different image acquisition characteristics; calling a feature extraction model to extract sample palm print features of the plurality of sample user identifiers; and adjusting the feature extraction model according to the sample palm print features of the plurality of sample user identifiers.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.