Optical apparatus equipped with sight line detector

Details Optical apparatus equipped with sight line detector Optical apparatus equipped with sight line detector

1998-01-23

1999-06-15

Perkey, W. B.

Photography

Eye tracking

G03B 1700

Patent

active

059130806

ABSTRACT:
An apparatus for using correction data to correct for personal differences, to provide sight line information. The apparatus includes an image sensor for photographing an eyeball, a pupil diameter determination device for determining a pupil diameter of the eyeball in accordance with an output of the image sensor and a changing device for changing the correction data on the basis of the pupil diameter determined by the pupil diameter determination device.

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