Visual axis detection device capable of reducing detection error

Details Visual axis detection device capable of reducing detection error Visual axis detection device capable of reducing detection error

1995-05-16

1997-05-27

Adams, Russell E.

Photography

Eye tracking

G03B 700

Patent

active

056341415

ABSTRACT:
A visual axis detection apparatus including a correction data storage section to store the correction data to correct errors in the detected visual information; an individual variation correction data detection system to detect the individual variation data related to the visual axis of an observer; a correction data updating section to update the correction data on the basis of the new individual variation data detected by the individual variation detection system and the correction data stored in the correction data storage section; and a visual axis correction section to correct the detected visual axis by use of the correction data updated by the correction data updating section and stored in the correction data storage section. The apparatus adds a weight to the already stored correction data in accordance with the individual variation data when obtaining individual variation data anew, and uses this weighted data as the correction data.

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