Facial recognition and the open mouth problem

Details Facial recognition and the open mouth problem Facial recognition and the open mouth problem

2005-02-16

2008-09-02

Desire, Gregory M (Department: 2624)

Image analysis

Applications

Personnel identification

C345S419000, C345S473000, C345S621000, C382S154000, C382S203000

Reexamination Certificate

active

07421098

ABSTRACT:
A method, for electronic face recognition using geodesic representations, of processing such a geodesic representation of a face having a mouth and being able to adopt open-mouthed or closed mouth states, so that the electronic recognition works regardless of whether the mouth in the representation is open or closed. The method comprises: identifying a mouth region within a face; applying a topological constraint to the mouth region, and representing the face with the constraint. The topological constraint is chosen to render the geodesic representation invariant to the mouth state being open or closed.

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