125 patents
Page 3 of 7
Utility
Method and system for rendering an image with a pupil enhanced accommodation of the eye
10 May 22
The present disclosure relates to a method for displaying an image with a specific depth of field.
Denny Rönngren
Filed: 30 Mar 20
Utility
Method, computer program product and processing circuitry for pre-processing visualizable data
3 May 22
Visualizable data are obtained that represent a scene with at least one object.
Robin Thunström, Staffan Widegarn Åhlvik
Filed: 31 Mar 21
Utility
Method and system for 3D cornea position estimation
19 Apr 22
There is provided a method, system, and non-transitory computer-readable storage medium for performing three-dimensional, 3D, position estimation for the cornea center of an eye of a user, using a remote eye tracking system, wherein the position estimation is reliable and robust also when the cornea center moves over time in relation to an imaging device associated with the eye tracking system.
David Masko, Magnus Ivarsson, Niklas Ollesson, Anna Redz
Filed: 29 Jun 20
Utility
Eye event detection
5 Apr 22
A method for detecting an eye event of a user using an eye tracking system, the method comprising capturing a first image of a first eye of a user, capturing an image of a second eye of the user a first period after capturing the first image of the first eye and a second period before capturing a next image of the first eye, capturing a second image of the first eye the second period after capturing the image of the second eye, determining that an eye event has occurred based on a difference between the first and second images of the first eye, and performing at least one action if it is determined that that an eye event has occurred.
Andreas Klingström
Filed: 10 Dec 20
Utility
Eye tracking applications in virtual reality and augmented reality
15 Mar 22
Andreas Klingström, Per Fogelström, Andrew Ratcliff
Filed: 19 Oct 20
Utility
Multi line trace gaze to object mapping for determining gaze focus targets
8 Mar 22
A method for determining a focus target of a user's gaze in a three-dimensional (“3D”) scene is disclosed.
Fredrik Lindh
Filed: 20 Feb 20
Utility
Lens for eye-tracking applications and head-worn device
8 Mar 22
The present invention relates to a lens for eye-tracking applications.
Axel Tollin, Daniel Ljunggren
Filed: 31 Jan 20
Utility
Gaze direction mapping
8 Mar 22
A method for determining correspondence between a gaze direction and an environment around a wearable device is disclosed.
André Lovtjärn, Jesper Högström, Jonas Högström, Rasmus Petersson, Mårten Skogö, Wilkey Wong
Filed: 31 Aug 17
Utility
Holographic eye imaging device
22 Feb 22
The disclosure relates to an eye tracking device for tracking movements of an eye comprising, a viewing plane for displaying a projection of an image to the eye of a user, an image module placed on a same side of the viewing plane as the eye, at least one illuminator for illuminating the eye, a control unit adapted to receive an image captured by the image module, and calculate a viewing angle of the eye, a holographic optical element (HOE), wherein a HOE is placed between the eye and the viewing plane, wherein the image module is adapted to capture an image of the HOE, and wherein the HOE is adapted to direct at last a first portion of incident light reflected from the eye, in a first angle towards the image module, the first angle being different from an angle of the incidence of the incident light.
Daniel Tornèus, Peter Schef, Magnus Arvidsson, Peter Blixt, Fredrik Mattinson
Filed: 28 Jun 19
Utility
Eye tracking device and method for manufacturng an eye tracking device
22 Feb 22
The invention relates to an eye tracking device comprising one or more illuminators, each illuminator comprising a light emitting side, and each illuminator being connected to a first circuitry carrier, an imaging module connected to a second circuitry carrier wherein the image module comprises optical arrangements.
Eli Lundberg, Richard Hainzl, Daniel Tornéus
Filed: 13 Jun 19
Utility
Detecting relocation of a head-mounted device
22 Feb 22
Images of an eye are captured at respective time instances by a camera of a head-mounted device.
Tiesheng Wang, Pravin Kumar Rana, Yimu Wang, Mark Ryan
Filed: 31 Oct 19
Utility
Gaze tracking using mapping of pupil center position
15 Feb 22
Images of an eye are captured by a camera.
Tiesheng Wang, Gilfredo Remon Salazar, Yimu Wang, Pravin Kumar Rana, Johannes Kron, Mark Ryan, Torbjörn Sundberg
Filed: 31 Oct 19
Utility
Method and system for glint/reflection identification
8 Feb 22
A method of identifying scleral reflections in an eye tracking system is disclosed.
Pravin Kumar Rana, Yimu Wang
Filed: 23 May 19
Utility
Iterative point indexing
25 Jan 22
The invention is related to a method for calibrating an eye tracking device within a head-mounted display (HMD) comprising the steps of acquiring with the HMD via an image sensor, at least one optical target image from an optical target, wherein the optical target contains image points in a pattern, indexing image points within the optical target image wherein the image points are indexed by, selecting a rigid region of the optical target image, assigning indices to image points within the rigid region, fitting a polynomial approximation function to at least one column and one row of the image points of the region, predicting the location of at least one image point using the fitted polynomial approximation function, assigning the predicted image point an index, inputting indexed image points into an optimization algorithm that calculates a hardware calibration of the HMD, and writing hardware calibration values calculated from the optimization algorithm to the HMD unit.
Pravin Kumar Rana, Macarena Garcia Romero, Yimu Wang, Rickard Lundahl
Filed: 23 Oct 20
Utility
Lens for eye-tracking and device with such a lens
18 Jan 22
A lens for eye tracking applications is described.
Daniel Ljunggren, Anders Höglund, Axel Tollin, Jan Skagerlund
Filed: 31 Jan 20
Utility
Estimating cornea radius for use in eye tracking
28 Dec 21
The present disclosure relates to an eye tracking method as well as a corresponding system and computer-readable storage medium.
Andreas Klingström
Filed: 23 Dec 19
Utility
Determination of gaze calibration parameters
9 Nov 21
A method for determining gaze calibration parameters for gaze estimation of a viewer using an eye-tracking system.
Patrik Barkman, David Molin
Filed: 16 Nov 20
Utility
Eye-tracking system and method for pupil detection, associated systems and computer programs
26 Oct 21
An eye-tracking system for performing a pupil-detection process, the eye-tracking system configured to: receive image-data comprising a plurality of pixel-arrays, each pixel-array having a plurality of pixel locations and an intensity-value at each of the pixel locations; for each pixel location of a region of pixel locations: define an intensity-value-set comprising the intensity-values at the pixel location for two or more of the plurality of pixel-arrays; and determine the pixel location to be an excluded pixel location if the intensity-value-set does not satisfy an intensity condition; and exclude the excluded pixel locations from the pupil-detection process.
Mikael Rosell, Simon Johansson, Johannes Kron
Filed: 31 Dec 19
Utility
Support glint for remote eye tracking
12 Oct 21
Methods and corresponding systems of controlling illuminators in an eye tracking system are disclosed.
Jonas Sjöstrand, Anders Dahl, Mattias I Karlsson
Filed: 28 Mar 19
Utility
Image sensor for vision based human computer interaction
5 Oct 21
According to the invention, an image sensor is disclosed.
Mårten Skogö, Peter Blixt, Henrik Jönsson
Filed: 23 Sep 19