| 摘要 |
The present invention provides a method for performing head tracking, and the method comprises the steps of: (a) receiving an image including a facial area; and (b) tracking the movement of the facial area, wherein step (b) comprises the steps of: (b-1) searching for a location change of a feature point within the facial area through a comparison with a template learned in advance, if a rotation angle of the facial area is within the range of a predetermined angle from the front of the face; and (b-2) searching for the location change of the feature point within the facial area through a comparison with a facial area image frame previously inputted, if the rotation angle of the facial area goes beyond the range of the predetermined angle from the front of the face. |
