Line of sight detecting device, and equipment comprising the dev

Details Line of sight detecting device, and equipment comprising the dev Line of sight detecting device, and equipment comprising the dev

1995-04-25

1997-12-02

Metjahic, Safet

Photography

Eye tracking

G03B 1700

Patent

active

056946236

ABSTRACT:
A line of sight detecting device which detects the line of sight of the user. The device includes a determination unit for determining whether the line of sight detection is successful or not. An estimation unit estimates the cause of failure if line of sight detection can not be carried out. A notification unit provides information about the cause of failure of the line of sight detection. The information being estimated by the estimation unit.

REFERENCES:
patent: 4678297 (1987-07-01), Ishikawa et al.
patent: 5182443 (1993-01-01), Suda et al.
patent: 5402199 (1995-03-01), Akashi
patent: 5485241 (1996-01-01), Irie et al.

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