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:
Jun. 21, 2011
Filed:
Oct. 21, 2005
Roel Vertegaal, Battersea, CA;
Changuk Sohn, Kingston, CA;
Daniel Cheng, Kingston, CA;
Victor Macfarlane, Battersea, CA;
Jeffrey S. Shell, Toronto, CA;
Roel Vertegaal, Battersea, CA;
Changuk Sohn, Kingston, CA;
Daniel Cheng, Kingston, CA;
Victor MacFarlane, Battersea, CA;
Jeffrey S. Shell, Toronto, CA;
Queen's University at Kingston, Kingston, Ontario, CA;
Abstract
A method and apparatus for eye gaze tracking in human or animal subjects without calibration of cameras, specific measurements of eye geometries, or tracking of a cursor image on a screen by the subject through a known trajectory. One embodiment provides a method for tracking a user's eye gaze at a surface, object, or visual scene, comprising: providing an imaging device for acquiring images of at least one of the user's eves: modeling, measuring, estimating, and/or calibrating for the user's head position: providing one or more markers associated with the surface, object, or visual scene for producing corresponding glints or reflections in the user's eyes; analyzing the images to find said glints or reflections and/or the pupil: and determining eye gaze of the user upon a said one or more marker as indicative of the user's eye gaze at the surface, object, or visual scene.