The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.

The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.

Date of Patent:
May. 07, 2013

Filed:

Nov. 06, 2007
Applicants:

Kenichi Ohue, Toyota, JP;

Yuji Ninagawa, Nishikamo-gun, JP;

Kentaro Takahashi, Toyota, JP;

Shin-ichi Kojima, Nisshin, JP;

Jun Adachi, Okazaki, JP;

Tomoharu Suzuki, Anjo, JP;

Inventors:

Kenichi Ohue, Toyota, JP;

Yuji Ninagawa, Nishikamo-gun, JP;

Kentaro Takahashi, Toyota, JP;

Shin-ichi Kojima, Nisshin, JP;

Jun Adachi, Okazaki, JP;

Tomoharu Suzuki, Anjo, JP;

Assignees:
Attorney:
Primary Examiner:
Int. Cl.
CPC ...
A61B 5/00 (2006.01);
U.S. Cl.
CPC ...
Abstract

An eye opening detection system that includes an imaging mechanism that captures an image of the face of a detected subject, an edge extraction mechanism that extracts the edge of the image captured, and an upper and lower eyelid detection mechanism that detects the upper and lower eyelids of the detected subject according to the edge extracted, and that detects the eye opening of the detected subject with reference to a detected distance between the upper and lower eyelids. The upper and lower eyelid detection detects the upper eyelid and detects the lower eyelid with reference to the upper eyelid detected.


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