Apple Inc.

Sensomotoric Instruments Gesellschaft Fur Innovative Sensorik Mbh

Sensomotoric Instruments Gesellschaft Fur Innovati

Sensomotoric Instruments Gessellschaft Fur Innovative Sensorik Mbh

Walter Nistico

Matthias Nieser

Kun Liu

Fabian Wanner

Borys Lysyansky

Andrii Nikiforov

Eberhard Schmidt

Jan Hoffmann

Stefan Ronnecke

Thomas Jablonski

Christian Villwock

Hao Qin

Claudio Caraffi

Tom Sengelaub

Denis Williams

Martin Haller

The invention is concerned with a method for performing a calibration procedure for calibrating an eye tracking device (), wherein a stimulus object (S) is displayed within a certain display area (), such that the stimulus object (S) is at least temporarily moving along a defined trajectory () and images of at least one eye () of at least one user () are captured during the displaying of the stimulus object (S). Based on the captured images gaze data are provided and in dependency of the gaze data gaze points (P) of the at least one eye () of the user () with respect to the display area () are determined. Further, at least one calibration parameter (a; a; a; a; a; a; a; a; a; a; a; a; a; a; Θ; R; K; a; b; r) of at least one predefined calibration model (M, M, M, M, M, M, M) is determined in dependency of a first analysis at least of positions of at least part of the respective gaze points (P) with regard to the defined trajectory () of the stimulus object (S). Further, at least one control parameter (N, (A, D), T) is determined in dependency of at least part of the captured gaze data and controlling the execution of at least part of the calibration procedure in dependency of the at least one determined control parameter (N, (A, D), T).

Interactive motion-based eye tracking calibration

The invention is concerned with a method for performing a calibration procedure for calibrating an eye tracking device (), wherein a stimulus object (S) is displayed within a certain display area (), such that the stimulus object (S) is at least temporarily moving along a defined trajectory () and images of at least one eye () of at least one user () are captured during the displaying of the stimulus object (S). Based on the captured images gaze data are provided and in dependency of the gaze data gaze points (P) of the at least one eye () of the user () with respect to the display area () are determined. Further, at least one calibration parameter (a; a; a; a; a; a; a; a; a; a; a; a; a; a; &#x398;; R; K; a; b; r) of at least one predefined calibration model (M, M, M, M, M, M, M) is determined in dependency of a first analysis at least of positions of at least part of the respective gaze points (P) with regard to the defined trajectory () of the stimulus object (S). Further, at least one control parameter (N, (A, D), T) is determined in dependency of at least part of the captured gaze data and controlling the execution of at least part of the calibration procedure in dependency of the at least one determined control parameter (N, (A, D), T).

The invention relates to a method for operating an eye tracking device () for multi&#xac;user eye tracking, wherein images () of a predefined capturing area () of the eye tracking device () are captured by means of an imaging device () of the eye tracking device () and the captured images () are processed by means of a processing unit () of the eye tracking device (). If a first user () and a second user () are present in the predefined capturing area () of the eye tracking device (), a first information relating to the first user () and a second information relating to the second user () are determined on the basis of the captured images () by processing the images (). Furthermore the images () are captured successively in a predeterminable time sequence.

Method for operating an eye tracking device for multi-user eye tracking and eye tracking device

The invention relates to a method for automatically identifying at least one user of an eye tracking device () by means of the eye tracking device (), wherein user identification data of the at least one user are captured by a capturing device () of the eye tracking device (). Under the first condition that at least one profile (P, P, P) with associated identification data (I, I, I) of at least one specific user is stored in a storage medium (), the stored identification data (I, I, I) of the at least one profile (P, P, P) are compared with the captured user identification data, and under the second condition that the captured user identification data match the stored identification data (I, I, I) according to a predefined criterion, the at least one user is identified as the at least one specific user, for whom the at least one profile (P, P, P) was stored.

Method for automatically identifying at least one user of an eye tracking device and eye tracking device

The invention relates to an eye tracking system () and a method for operating an eye tracking system () for determining if one of a left and a right eye of a user is dominant, wherein at least one image of the left and the right eye of the user is captured (S), based on the at least one image and according to a predefined accuracy function a left accuracy score for the left eye (S) and a right accuracy score for the right eye (S) is determined and it is determined if one of the left and the right eye of the user is dominant in dependency of at least the left and the right accuracy score (S). Thereby user-specific properties relating to his eyes can be provided and considered when performing eye tracking so that the robustness and accuracy of eye tracking can be enhanced.

Eye tracking system and method to detect the dominant eye

The invention relates to a method for operating an eye tracking device () comprising as components an imaging device (), an illumination unit () and a processing unit () and further at least two adjustment parameters (P), for adjusting the components (). The eye tracking device () comprises a control unit () for controlling the adjustment parameters (P). According to the method an image () of an eye is captured, a condition () with respect to a quality related to eye tracking or a power consumption of the components () is set, a predefined correlation () correlating the adjustment parameters (P) to the quality and the power consumption is provided and the control unit () controls the adjustment parameters (P) according to the predefined correlation (), so that the element, with respect to which the condition () was set, fulfils the condition ().

Method for operating an eye tracking device and eye tracking device for providing an active power management

The invention relates to a method for operating an eye tracking device () for multi-user eye tracking, wherein images () of a predefined capturing area () of the eye tracking device () are captured by means of an imaging device () of the eye tracking device () and the captured images () are processed by means of a processing unit () of the eye tracking device (). If a first user () and a second user () are present in the predefined capturing area () of the eye tracking device (), a first information relating to the first user () and a second information relating to the second user () are determined on the basis of the captured images () by processing the images (). Furthermore the images () are captured successively in a predeterminable time sequence.

The invention relates to a method and a head mounted eye tracking device () for determining at least a feature of an eye (), wherein the eye tracking device () comprises a capturing device (C) for capturing light reflected by the eye () and an optical component (; E, E, En, E) capable of altering a propagation direction of the light passing through the optical component (; E, E, En, E). The eye tracking device () is configured such that when fixed to the head of the user the light captured by the capturing device (C) has passed through the optical component (; E, E, En, E) and constitutes at least part of an image and the feature is determined on the basis of the image in dependency of an information about a relative position between the eye () and the head mounted eye tracking device ().

Head mounted eye tracking device and method for providing drift free eye tracking through a lens system

An eye tracking method comprising: capturing image data by an image sensor; determining a region of interest as a subarea or disconnected subareas of said sensor which is to be read out from said sensor to perform an eye tracking based on the read out image data; wherein said determining said region of interest comprises: a) initially reading out only a part of the area of said sensor; b) searching the image data of said initially read out part for one or more features representing the eye position and/or the head position of a subject to be tracked; c) if said search for one or more features has been successful, determining the region of interest based on the location of the successfully searched one or more features, and d) if said search for one or more features has not been successful, reading out a further part of said sensor to perform a search for one or more features representing the eye position and/or the head position based on said further part.

Tile image based scanning for head position for eye and gaze tracking

Tiled image based scanning for head position for eye and gaze tracking

The invention relates to an eye tracking device and a method for operating an eye tracking device () comprising an imaging device (), a plurality of light sources (), a processing unit and a control unit. The imaging device () captures a first image () while at least one of the light sources () emits light. If at least one first reflection (-) is detected, a position in the first image () of the at least one first reflection (-) is determined, the first reflection (-) is categorized on the basis of the position in the first image () and if the first image () does not fulfill a predefined quality criterion, the plurality of light sources () is controlled in dependence of the categorization by changing the light intensity of at least one light source ().

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Berlin, Germany

Walter Nistico