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公开(公告)号：US10528131B2
公开(公告)日：2020-01-07
申请号：US15981629
申请日：2018-05-16
Applicant: Tobii AB
Inventor： Alexander Davies , Maria Gordon , Per-Edvin Stoltz
IPC: G06F3/01
Abstract: A system and techniques for calibrating an eye tracking system are described. The system can update the calibration of personal calibration parameters continuously based on a user's gaze on a user interface, following user interface stimulus events. The system improves continuous calibration techniques by determining an association between the user's eye sequences and the stimulus events, and updates the personal calibration parameters accordingly. A record indicative of a user gaze, including eye sequences, such as eye movements or eye fixations, is maintained over a time period. A user interface stimulus event associated with the user interface and occurring within the time period is detected. An association is determined between the eye sequence and the user interface stimulus event. An interaction observation that includes the eye sequence and a location of the stimulus event is generated. Personal calibration parameters are updated based on the interaction observation.
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公开(公告)号：US20210042520A1
公开(公告)日：2021-02-11
申请号：US16901377
申请日：2020-06-15
Applicant: Tobii AB
Inventor： David Molin , Tommaso Martini , Maria Gordon , Alexander Davies , Oscar Danielsson
Abstract: There is disclosed a computer implemented eye tracking system and corresponding method and computer readable storage medium, for detecting three dimensional, 3D, gaze, by obtaining at least one head pose parameter using a head pose prediction algorithm, the head pose parameter(s) comprising one or more of a head position, pitch, yaw, or roll; and to input the at least one head pose parameter along with at least one image of a user's eye, generated from a 2D image captured using an image sensor associated with the eye tracking system, into a neural network configured to generate 3D gaze information based on the at least one head pose parameter and the at least one eye image.
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公开(公告)号：US11301677B2
公开(公告)日：2022-04-12
申请号：US16901377
申请日：2020-06-15
Applicant: Tobii AB
Inventor： David Molin , Tommaso Martini , Maria Gordon , Alexander Davies , Oscar Danielsson
Abstract: There is disclosed a computer implemented eye tracking system and corresponding method and computer readable storage medium, for detecting three dimensional, 3D, gaze, by obtaining at least one head pose parameter using a head pose prediction algorithm, the head pose parameter(s) comprising one or more of a head position, pitch, yaw, or roll; and to input the at least one head pose parameter along with at least one image of a user's eye, generated from a 2D image captured using an image sensor associated with the eye tracking system, into a neural network configured to generate 3D gaze information based on the at least one head pose parameter and the at least one eye image.
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公开(公告)号：US20190354172A1
公开(公告)日：2019-11-21
申请号：US15981629
申请日：2018-05-16
Applicant: Tobii AB
Inventor： Alexander Davies , Maria Gordon , Per-Edvin Stoltz
IPC: G06F3/01
Abstract: A system and techniques for calibrating an eye tracking system are described. The system can update the calibration of personal calibration parameters continuously based on a user's gaze on a user interface, following user interface stimulus events. The system improves continuous calibration techniques by determining an association between the user's eye sequences and the stimulus events, and updates the personal calibration parameters accordingly. A record indicative of a user gaze, including eye sequences, such as eye movements or eye fixations, is maintained over a time period. A user interface stimulus event associated with the user interface and occurring within the time period is detected. An association is determined between the eye sequence and the user interface stimulus event. An interaction observation that includes the eye sequence and a location of the stimulus event is generated. Personal calibration parameters are updated based on the interaction observation.
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