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:
Jul. 29, 2025
Filed:
Jan. 04, 2024
Line-of-sight detection device, line-of-sight detection method, and computer-readable storage medium
Jvckenwood Corporation, Yokohama, JP;
Shuji Hakoshima, Yokohama, JP;
JVCKENWOOD Corporation, Yokohama, JP;
Abstract
A line-of-sight detection device includes a display unit configured to display an image, light sources configured to emit detection light to apply the detection light to an eyeball of a subject, an imaging unit configured to capture an image of the eyeball to which the detection light is applied, a position detection unit configured to detect, from the captured image, a position of a pupil center of the eyeball to which the detection light is applied and a position of a corneal reflex center, a gaze point detection unit configured to calculate a position of a gaze point of the subject based on the positions of the pupil center and corneal reflex center, and a light source control unit configured to change the light source for emitting the detection light among the light sources based on a target distance between the pupil center and the corneal reflex center.