1. A method for performing head tracking, comprising: receiving an input of at least two images including a facial area, wherein the at least two images include a first and a second image; and tracking a movement of the facial area, comprising: comparing a rotation angle of the facial area, of at least the second image, with a predetermined angle range; if the rotation angle of the facial area is within the predetermined angle range from a front side, searching for a location change of feature points within the facial area through a comparison with a template learned in advance; and if the rotation angle of the facial area is beyond the predetermined angle range from the front side, searching for a location change of feature points within the facial area through a comparison with the facial area of the at least first image frame previously inputted.