COMPUTER VISION GESTURE BASED CONTROL OF A DEVICE
First Claim
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1. A method for controlling a device based on computer vision, the method comprising:
- detecting within images a user'"'"'s hand and another object related to the user;
detecting, from the images, movement of the user'"'"'s hand;
determining a distance of the other object from a camera used to obtain the images;
moving a displayed graphical object according to the movement of the user'"'"'s hand while normalizing movement of the displayed graphical object according to the distance of the other object from the camera.
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Abstract
A system and method are provided for controlling a device based on computer vision. Embodiments of the system and method of the invention are based on receiving a sequence of images of a field of view; detecting movement of at least one object in the images; applying a shape recognition algorithm on the at least one moving object; confirming that the object is a user hand by combining information from at least two images of the object; and tracking the object to control the device.
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Citations
15 Claims
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1. A method for controlling a device based on computer vision, the method comprising:
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detecting within images a user'"'"'s hand and another object related to the user; detecting, from the images, movement of the user'"'"'s hand; determining a distance of the other object from a camera used to obtain the images; moving a displayed graphical object according to the movement of the user'"'"'s hand while normalizing movement of the displayed graphical object according to the distance of the other object from the camera. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8)
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9. A device comprising:
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a display; and a processor in communication with the display, said processor to detect within images an object related to a user; detect, from the images, movement of the user'"'"'s hand; determine a distance of the object related to the user from a camera used to obtain the images; and move a graphical object on the display according to the movement of the user'"'"'s hand while normalizing movement of the graphical object according to the distance of the object related to the user from the camera. - View Dependent Claims (10, 11, 12, 13, 14, 15)
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Specification