Facial recognition and the open mouth problem
US8155400B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 24, 2008 |
| Grant date | Apr 10, 2012 |
| Priority date | — |
| Expiry date | Jul 24, 2029 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01S17/89
- WIPO fieldComputer technology
- WIPO sectorElectrical engineering
Abstract
A method of cropping a representation of a face for electronic processing, said method comprising: selecting a first geodesic contour about an invariant reference point on said face, setting a region within said first geodesic contour as a first mask, selecting a second geodesic contour about a boundary of said identified first region, setting a region within said second geodesic contour as a second mask, and forming a final mask from a union of said first mask and said second mask.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.