VIDEO USER INTERFACE
First Claim
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1. A method for providing user input to a system, the method comprising:
- receiving an image of a user from a camera;
detecting movement of the user based on the image of the user;
determining whether the movement of the user corresponds to a target element of a user interface for the system; and
in response to determining that the movement of the user corresponds to the target element of the user interface, manipulating the target element of the user interface according to the movement of the user.
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Abstract
Embodiments of the invention provide methods and systems for providing user input to a system. For example, according to one embodiment, a video camera can be used to capture an image of a user and a background scene. Movements of the user can be detected from the video image and correlated to a user interface after initial calibration. Through this correlation, movements of the user can be translated into manipulations of the user interface. These manipulations of the user interface can in turn be used to control the system.
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Citations
22 Claims
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1. A method for providing user input to a system, the method comprising:
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receiving an image of a user from a camera; detecting movement of the user based on the image of the user; determining whether the movement of the user corresponds to a target element of a user interface for the system; and in response to determining that the movement of the user corresponds to the target element of the user interface, manipulating the target element of the user interface according to the movement of the user. - View Dependent Claims (2, 3, 4, 5, 6, 7, 9, 10, 11, 12, 13, 14, 15, 17, 18, 19, 20, 21, 22)
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8. A method for reducing unintended activation of a user interface using video as an input, the method comprising:
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receiving the video input from a camera; identifying a user within a field of view of the camera; determining a user area around the user; detecting movement in the field of view of the camera; and in response to the movement occurring outside of the user area, temporarily disabling the user interface.
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16. A method for reducing errors in a user interface using a camera as an input device, the method comprising:
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detecting lighting conditions over a field of view of the camera; dividing the field of view into a number of zones; and adjusting sensitivity for detecting movement within each zone based on the lighting conditions of that zone.
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Specification