CPC G02B 27/0093 (2013.01) [G02B 27/0101 (2013.01); G02B 27/017 (2013.01); G02B 27/0179 (2013.01); G02B 2027/0138 (2013.01); G02B 2027/014 (2013.01); G02B 2027/0185 (2013.01); G02B 2027/0187 (2013.01)] | 20 Claims |
1. A head-mounted display apparatus comprising:
at least one camera;
at least one sensor; and
at least one processor operatively connected to the at least one camera and the at least one sensor,
wherein the at least one processor is configured to:
acquire information about head pose and head-based gaze direction of a user, based on data input from the at least one sensor and multiple key points input from the at least one camera according to recognizing rotation of a user's head,
estimate gaze lines of the user, based on the acquired information about head pose and head-based gaze direction, and
estimate a distance to a target point, based on the gaze lines of the user, according to identifying that vestibulo-ocular reflex is activated based on the gaze lines of the user.
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