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HANDHELD VISION BASED ABSOLUTE POINTING SYSTEM

  • US 20110095980A1
  • Filed: 01/03/2011
  • Published: 04/28/2011
  • Est. Priority Date: 01/12/2005
  • Status: Active Grant
First Claim
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1. A method, comprising:

  • detecting one or more images of respective one or more spatially fixed markers adapted for placing in fixed locations within view of the pixelated sensor, said markers emitting radiation having a predetermined frequency band, said images appearing on a pixelated sensor within a handheld device;

    filtering at said handheld device radiation so as to pass the radiation in the predetermined frequency band and to substantially exclude other radiation;

    generating image data for each of the one or more images;

    processing the image data in the handheld device to provide processed image data of the images appearing on the pixelated sensor; and

    sending from said handheld device the processed image data.

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