Method and Device for Head Tracking and Computer-Readable Recording Medium

The present disclosure is directed to performing head tracking. The method comprises: (a) receiving an input of an image including a facial area; and (b) tracking a movement of the facial area. The step (b) comprises: (b-1) if a rotation angle of a facial area is within a predetermined angle range from a front side, searching for a location change of feature points within a facial area through a comparison with a template learned in advance; and (b-2) if a rotation angle of a facial area is beyond a predetermined angle range from a front side, searching for a location change of feature points within a facial area through a comparison with a facial area image frame previously inputted.