Patent ID: 11969543
Assignee: PRESENT COMMUNICATIONS, INC.
Field: Audio-visual technology (Electrical engineering)
Classification: CPC H  A  G  F | IPC A  H

Claim 3:
4. The method of claim 1, wherein representing the first set of action units, based on facial muscle actions detected in the first frame, in a first facial expression container comprises:
initializing the first facial expression container; and
for each action unit, in a predefined set of action units in the first set of action units representing action of human facial muscles:
detecting a facial region, depicted in a first sector of the first frame, containing a muscle associated with the action unit;
interpreting an intensity of action of the muscle based on a set of features extracted from the facial region depicted in the first sector of the first frame; and
writing the intensity of action of the muscle to a position in the first facial expression container corresponding to the action unit.