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User gesture recognition

  • US 10,310,619 B2
  • Filed: 03/05/2015
  • Issued: 06/04/2019
  • Est. Priority Date: 03/21/2014
  • Status: Active Grant
First Claim
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1. A method of providing input to a computing device, the computing device comprising a processor, memory, a display having a viewing surface and at least three cameras having respective fields of view, the method comprising the steps of:

  • capturing corresponding images with the cameras;

    identifying input gestures using the captured images, wherein the input gestures are spaced from the viewing surface of the display, and wherein said identifying input gestures includes processing each image by designating a region of the image as a gesture region and determining changes in the gesture region, wherein the gesture regions are spaced from the viewing surface of the display; and

    interpreting the identified input gestures as input to the computing device;

    wherein at least one of the cameras is orientated such that the respective field of view lies adjacent to the viewing surface of the display;

    wherein said identifying input gestures in the captured images comprises first choosing between images captured by either a first camera or a second camera of the at least three cameras and then using the chosen images to identify the input gestures,wherein said identifying input gestures in the captured images is further based on images captured by a third camera of the at least three cameras,wherein said choosing between images captured by either the first camera or the second camera comprises comparing image information between images captured by the first camera and images captured by the second camera, andwherein said comparing image information comprises comparing a standard deviation of information contained in an image captured by the first camera to a standard deviation of information contained in an image captured by the second camera,wherein each of said at least three cameras operates to capture only two-dimensional image information.

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