METHOD AND APPARATUS FOR DETECTING A FIXATION POINT BASED ON FACE DETECTION AND IMAGE MEASUREMENT
First Claim
1. An apparatus configured to detect a fixation point used to calculate a fixation point of a user on a screen, comprising:
- a camera to capture a face image of the user;
a reference table acquiring unit to acquire a reference table comprising relations between reference face images and line-of-sight directions of the user; and
a calculating unit to perform image measurement based on the face image of the user captured by the camera and to look up the reference table in the reference table acquiring unit to calculate the fixation point of the user on the screen.
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Abstract
The present invention provides an apparatus for detecting a fixation point based on face detection and image measurement, comprising: a camera for capturing a face image of a user; a reference table acquiring unit for acquiring a reference table comprising relations between reference face images and line-of-sight directions of the user; and a calculating unit for performing image measurement based on the face image of the user captured by the camera and looking up the reference table in a reference table acquiring unit, so as to calculate the fixation point of the user on the screen.
The present invention further provides a method of detecting a fixation point based on face detection and image measurement.
The present invention can detect a line-of-sight of the user, which provides great convenience for movement of a cursor.
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Citations
14 Claims
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1. An apparatus configured to detect a fixation point used to calculate a fixation point of a user on a screen, comprising:
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a camera to capture a face image of the user; a reference table acquiring unit to acquire a reference table comprising relations between reference face images and line-of-sight directions of the user; and a calculating unit to perform image measurement based on the face image of the user captured by the camera and to look up the reference table in the reference table acquiring unit to calculate the fixation point of the user on the screen. - View Dependent Claims (2, 3, 4, 5, 6, 7, 14)
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8. A method of detecting a fixation point, for calculating a fixation point of a user on a screen, comprising the steps of:
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acquiring a reference table comprising relations between reference face images and line-of-sight directions of the user; and capturing a face image of the user, performing image measurement and looking up the reference table to calculate the fixation point of the user on the screen. - View Dependent Claims (9, 10, 11, 12, 13)
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Specification