User authentication using audiovisual synchrony detection
US10559312B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Aug 25, 2016 |
| Grant date | Feb 11, 2020 |
| Priority date | — |
| Expiry date | Feb 12, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH04L63/0861
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
Methods, computing systems and computer program products implement embodiments of the present invention that include receiving, at a first time, first video and first audio signals generated in response to a user uttering a passphrase, and receiving, at a second time subsequent to the first time, second video and second audio signals generated in response the user uttering the passphrase. Upon computing an audio temporal alignment between the first and the second audio signals and computing a video temporal alignment between the first and the second video signal, the user can be authenticated by comparing the audio temporal alignment to the video temporal alignment.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.