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:
Feb. 20, 2018
Filed:
May. 02, 2014
Applicant:
National University Corporation Shizuoka University, Shizuoka-shi, Shizuoka, JP;
Inventor:
Yoshinobu Ebisawa, Hamamatsu, JP;
Assignee:
Attorney:
Primary Examiner:
Assistant Examiner:
Int. Cl.
CPC ...
H04N 5/232 (2006.01); G06K 9/00 (2006.01); A61B 3/00 (2006.01); A61B 3/11 (2006.01); A61B 3/113 (2006.01); G06T 7/77 (2017.01);
U.S. Cl.
CPC ...
G06K 9/00604 (2013.01); A61B 3/0008 (2013.01); G06K 9/00255 (2013.01); G06T 7/77 (2017.01); H04N 5/23219 (2013.01); A61B 3/11 (2013.01); A61B 3/113 (2013.01); G06T 2207/10152 (2013.01);
Abstract
A pupil detection light source device includes an aperture disposed to face a subject to allow light from a pupil of the subject to pass therethrough, an illumination light for obtaining a light pupil image toward the subject from the inside or the vicinity of the aperture when seen from the subject, and an illumination light for forming a reflection image with glasses obtained by canceling a reflection image with glasses of the light pupil image using an image difference toward the subject from the inside or the vicinity of the aperture when seen from the subject.