Patent · US Active

Facial recognition and the open mouth problem

US8155400B2 · kind B2 · utility

24Cited by
32References
6Claims
0Family size

Assignee

Inventors

Key dates

Filing dateMar 24, 2008
Grant dateApr 10, 2012
Priority date
Expiry dateJul 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.