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Motion detection systems for electronic devices

  • US 9,063,574 B1
  • Filed: 03/14/2012
  • Issued: 06/23/2015
  • Est. Priority Date: 03/14/2012
  • Status: Active Grant
First Claim
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1. A computing device, comprising:

  • a device processor;

    a motion-determining sensor;

    a gesture subsystem including at least a second processor and a camera; and

    memory including instructions that, when executed by the second processor, cause the second processor to;

    acquire a first image and a second image of an object using the camera, the first image being captured at a first time and the second image being captured at a second time;

    determine, using information generated by the motion-determining sensor, motion of the computing device between the first and second times;

    process image information of at least one of the first image or the second image to account for a difference in a position of the object, in the acquired image information, due to the motion of the computing device between the first and second times to generate processed image information;

    determine a speed of motion of the object between the first and second times using the processed image information;

    determine that the speed of motion of the object at least meets a gesture speed threshold;

    activate, via the second processor, the device processor, the device processor being configured to analyze the processed image information; and

    activate a second camera, the second camera being positioned a distance from the gesture subsystem and being configured to capture additional image information.

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