Lip-password based speaker verification system
US9159321B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Feb 25, 2013 |
| Grant date | Oct 13, 2015 |
| Priority date | — |
| Expiry date | Sep 11, 2033 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06V40/20
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A lip-based speaker verification system for identifying a speaker using a modality of lip motions; wherein an identification key of the speaker comprising one or more passwords; wherein the one or more passwords are embedded into lip motions of the speaker; wherein the speaker is verified by underlying dynamic characteristics of the lip motions; and wherein the speaker is required to match the one or more passwords embedded in the lip motions with registered information in a database. That is, in the case where the target speaker saying the wrong password or even in the case where an impostor knowing and saying the correct password, the nonconformities will be detected and the authentications/accesses will be denied.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.