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. 28, 2018
Filed:
Sep. 16, 2016
Mirametrix Inc., Montreal, CA;
Cosmin Vasile Ludusan, Verdun, CA;
Mirametrix Inc., Montreal, CA;
Abstract
A method is provided for determining a point of gaze directed at a graphical display. The method comprises: a) acquiring an image of at least one eye of a user containing at least one gaze aspect and at least one reference aspect; b) extracting image aspects from the image, the image aspects comprising a set of reference aspects and a set of gaze aspects corresponding to the image; c) extracting a set of features for each of said image aspects; d) computing a set of feature vectors between said set of gaze aspects and said set of reference aspects; e) computing a point of gaze for each of said set of feature vectors, using a predefined mathematical relationship; and f) using a predefined rule to combine the computed points of gaze into a final point of gaze on the graphical display.