Warning apparatus and method for avoiding eye stress

Image analysis – Applications – Personnel identification

Reexamination Certificate

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Reexamination Certificate

active

08009878

ABSTRACT:
An exemplary warning method for avoiding eye stress of a computer user includes: capturing a number of consecutive images of the face of a computer user; processing the images to obtain a number of values each indicative of a degree of openness of the eyes of the computer user; counting an amount of values exceeding a predetermined threshold to obtain accumulated viewing time of the computer user; and triggering a warning means if the accumulated viewing time of the computer satisfies a predetermined condition.

REFERENCES:
patent: 6483485 (2002-11-01), Huang et al.
patent: 7003139 (2006-02-01), Endrikhovski et al.
patent: 2006/0210121 (2006-09-01), Nakano et al.
patent: 8266468 (1996-10-01), None
patent: 200729074 (2006-01-01), None
patent: 200735820 (2006-03-01), None
Jung-Tang Huang et al. “Human Face Recognition and Ellipse Matching to Protect Human Eyes” The 21st Science Proseminar Symposium of Chinese Mechanical Engineering Institute Nov. 26, 2004 to Nov. 27, 2004.

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