Liveness detection system based on face behavior
US9025830B2 · kind B2 · utility
21Cited by
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14Claims
0Family size
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Key dates
| Filing date | Jan 20, 2012 |
| Grant date | May 5, 2015 |
| Priority date | — |
| Expiry date | May 17, 2033 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG06V40/45
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A liveness detection method comprising: receiving plural pictures of a video stream comprising a face and an adjacent background; determining motion of the face and the background, the motion determined over the plural pictures; comparing the motion between the face and the background; and determining whether the face corresponds to an actual, live user or an image of the user based on the comparison, the determinations performed by a processor.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.