289 patents
Page 6 of 15
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
Gaze Tracking
10 Feb 22
A system configured to enable operation of an apparatus based on the gaze of a user, the system comprising a processor, and a memory comprising instructions executable by the processor, wherein the system is configured to determine a gaze region of a user among a plurality of regions associated with the apparatus, wherein the plurality of regions comprises at least one primary gaze region and at least one secondary gaze region and perform at least one action based on the determination of the gaze region, wherein the system is configured to determine the gaze region using a first gaze estimation algorithm and/or a second gaze estimation algorithm.
Anders Dahl, Tommaso Martini, Oscar Danielsson, Mårten Nilsson, Patrik Barkman
Filed: 29 Jun 20
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
Method and Device for Switching Input Modalities of a Displaying Device
13 Jan 22
Disclosed is a method for switching user input modality of a displaying device displaying an interactable region.
Niklas Blomqvist, Robin Thunström, Dennis Rådell, Ralf Biedert
Filed: 30 Apr 21
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
Redundant Eye Tracking System
11 Nov 21
There is provided mechanisms for eye position determination of a subject depicted in an image set.
Per Fogelström, Anna Redz, Anders Dahl, Niklas Ollesson
Filed: 21 Apr 21
Utility
Driver Alertness Detection Method, Device and System
11 Nov 21
The invention is related to a method for driver alertness detection, The method comprises the steps of determining a vanishing point of a vehicle in motion; determining over time, by an eye tracking device, a set of gaze points of the driver of the vehicle; determining a gaze movement from the set of gaze points; and identifying an alertness of the driver, based on a direction of the gaze movement relative to the vanishing point being outward.
Andrew Ratcliff
Filed: 9 Apr 21
Utility
Method, Computer Program Product and Processing Circuitry for Pre-Processing Visualizable Data
11 Nov 21
Visualizable data are obtained that represent a scene with at least one object.
Robin Thunström, Staffan Widegarn Åhlvik
Filed: 31 Mar 21
Utility
Eye-tracking System
11 Nov 21
An eye-tracking system configured to: receive a reference-image of an eye of a user, the reference-image being associated with reference-eye-data; receive one or more sample-images of the eye of the user; and, for each of the one or more sample-images: determine a difference between the reference-image and the sample-image to define a corresponding differential-image; and determine eye-data for the sample-image based on the differential-image and the reference-eye-data associated with the reference-image.
David Masko, Mark Ryan, Mattias Kuldkepp
Filed: 31 Mar 21
Utility
Calibration of an Eye Tracking System
11 Nov 21
There is provided mechanisms for calibration of an eye tracking system.
Fogelström, Per Fogelström, Per, Redz, Anna Redz, Anna, Dahl, Anders Dahl, Anders, Ollesson, Niklas Ollesson, Niklas
Filed: 28 Apr 21
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
Systems and Methods for Interacting with a Computing Device Using Gaze Information
4 Nov 21
Techniques for interacting with a first computing device based on gaze information are described.
Daniel Ricknäs, Erland George-Svahn, Rebecka Lannsjö, Andrew Ratcliff, Regimantas Vegele, Geoffrey Cooper, Niklas Blomqvist
Filed: 1 Jun 21
Utility
Method for mounting functional elements in a lens
4 Nov 21
A method for mounting functional elements in a lens includes mounting the functional elements on a foil, applying a closed contour alignment surface of an alignment tool having a central opening surrounded by the closed contour on the foil portion opposite to the mounted function elements, applying underpressure on the central opening to maintain the foil portion with the mounted functional elements on the alignment tool, cutting a flap including the foil portion and supporting the functional elements out of the foil, positioning and aligning the flap through actuator, fixing the position of the flap against the adjacent foil surface, embedding the foil with the mounted functional elements in a predetermined distance to the front surface of a mould, and casting and curing the lens with the embedded foil.
Lutz Körner, Peter Hess, Alexander Greber, Urs Büttiker, Reto Müller, Anders Höglund, Daniel Ljunggren
Filed: 25 Sep 19
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