| 摘要 |
A method of tracking a line of sight according to an embodiment of the present invention comprises the steps of: acquiring a depth image of a subject; acquiring position information of an eyeball region included in the subject from the acquired depth image; and tracking the line of sight of a user by recognizing a pupil included in the eyeball region based on the acquired position information. [Reference numerals] (AA) Start; (BB) End; (S210) Obtain a three-dimensional distance map; (S220) Obtain X, Y, and Z coordinate information relative to a sight position; (S230) Obtain an enlarged image in which a pupil area is enlarged by using the X, Y, and Z coordinate; (S240) Recognize the pupil from the enlarged image; (S250) Track a user's sight by using a recognized pupil distance |
