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Computer vision gesture based control of a device

  • US 8,693,732 B2
  • Filed: 07/10/2013
  • Issued: 04/08/2014
  • Est. Priority Date: 10/13/2009
  • Status: Expired due to Fees
First Claim
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1. A method for controlling a device based on computer vision, the method comprisingobtaining a sequence of images of a field of view, each of the images comprising at least one hand;

  • applying a shape recognition algorithm on the images to identify the at least one hand;

    detecting, from the images, movement of the hand;

    determining a size of the moving hand relative to the image frame which includes the hand;

    and moving a displayed object according to movement of the hand while normalizing movement of the displayed object according to the determined size of the hand.

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