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.
Patent No.:
Date of Patent:
Aug. 10, 2010
Filed:
Feb. 06, 2007
Dotan Knaan, Jerusalem, IL;
Adi Shavit, Jerusalem, IL;
Dana Shavit, Jerusalem, IL;
Kazufumi Suzuki, Tokyo, JP;
Norio Ichihashi, Tokyo, JP;
Akio Takahashi, Saitama, JP;
Akihito Kimata, Saitama, JP;
Dotan Knaan, Jerusalem, IL;
Adi Shavit, Jerusalem, IL;
Dana Shavit, Jerusalem, IL;
Kazufumi Suzuki, Tokyo, JP;
Norio Ichihashi, Tokyo, JP;
Akio Takahashi, Saitama, JP;
Akihito Kimata, Saitama, JP;
Honda Motor Co., Ltd., Tokyo, JP;
Abstract
A sight line vector detecting method includes: emitting LED light beams from LED light sources arranged on both sides of a camera to an eye; photographing the eye by the camera; acquiring a plane which includes one light source position of the LED light sources, a lens center position of the camera, and a spatial position on a photographed image as to one luminescent spot on a cornea spherical surface, and another plane which includes the other light source position, the lens center position of the camera, and a spatial position on the photographed image as to the other luminescent spot on the cornea spherical surface; acquiring a line of intersection between the two planes; acquiring a center of a cornea ball which is on the intersection line and satisfies a predetermined condition; and acquiring a center of a pupil.