Method for operating user functions based on eye tracking and mobile device adapted thereto
First Claim
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1. A method for operating user functions in a mobile device having a display, comprising:
- executing a specific user function;
acquiring an image via a camera unit of the mobile device while the specific user function is executed;
acquiring a gaze angle of a user'"'"'s eye from the acquired image and determining from the acquired image whether the user gazes at the display; and
executing an eye tracking function in which execution state of the user function is controlled according to the gaze angle, wherein a page turning interval speed is controlled according to a time period for which a gaze angle at which the user gazes at the same point on the display is acquired.
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Abstract
An eye tracking based user function controlling method and a mobile device adapted thereto are provided. A camera unit of a mobile device is activated while a specific user function is executed. A gaze angle of a user'"'"'s eye is acquired from an image obtained via the camera unit. An eye tracking function is executed in which execution state is controlled according to the gaze angle.
39 Citations
20 Claims
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1. A method for operating user functions in a mobile device having a display, comprising:
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executing a specific user function; acquiring an image via a camera unit of the mobile device while the specific user function is executed; acquiring a gaze angle of a user'"'"'s eye from the acquired image and determining from the acquired image whether the user gazes at the display; and executing an eye tracking function in which execution state of the user function is controlled according to the gaze angle, wherein a page turning interval speed is controlled according to a time period for which a gaze angle at which the user gazes at the same point on the display is acquired. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9)
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10. A method for operating user functions in a mobile device, comprising:
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executing an e-book function; acquiring an image via a camera unit of the mobile device while the e-book function is executed; acquiring a gaze angle of a user'"'"'s eye from the acquired image; turning a page of e-book content when the acquired gaze angle is a gaze angle at which the user gazes at a certain point in a display unit of the mobile device where the e-book content is displayed; determining an average page turning interval; and periodically disabling the camera unit for a camera disabling time shorter than, and determined in relation to, the average page turning interval.
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11. A mobile device comprising:
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a camera unit that acquires images of a subject; a controller configured to acquire a gaze angle of a user'"'"'s eye from an image acquired via the camera unit, and to execute an eye tracking function in which an execution state of a user function is controlled according to the gaze angle; and a storage unit that stores data corresponding to the user function, and a program to track gaze angles of a user'"'"'s eye; wherein the controller automatically establishes a call connection, if the acquired gaze angle is an angle indicating that the user gazes at a display unit of the mobile device in a state where a call connection request message is received. - View Dependent Claims (12, 13, 14, 15, 16, 17)
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18. A mobile device comprising:
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a camera unit that acquires images of a subject; a controller configured to acquire a gaze angle of a user'"'"'s eye from an image acquired via the camera unit, and to execute an eve tracking function in which an execution state of a user function is controlled according to the gaze angle; and a storage unit that stores data corresponding to the user function, and a program to track gaze angles of a user'"'"'s eye; wherein the controller is configured to determine an average page turning interval of e-book content, and periodically disable the camera unit for a camera disabling time shorter than, and determined in relation to, the average page turning interval. - View Dependent Claims (19, 20)
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Specification