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. 25, 2020
Filed:
Nov. 16, 2017
Panasonic Intellectual Property Management Co., Ltd., Osaka, JP;
Abstract
A visual line measuring device of the present disclosure includes a light source that emits light for forming a corneal reflection point on an eyeball of an object person who gazes at a predetermined gaze point, an image-capturing part that captures a plurality of facial images each of which includes the eyeball of the object person by which the light from the light source is reflected, a detector that calculates visual line information for each of the facial images captured by the image-capturing part, a calculation part that calculates correction information by using at least two sets of the visual line information being in a predetermined positional relation among a plurality of sets of the visual line information calculated by the detector, and a correction part that corrects the visual line information calculated by the detector, by using the correction information.