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In vivo autonomous camera with on-board data storage or digital wireless transmission in regulatory approved band

  • US 7,983,458 B2
  • Filed: 09/19/2006
  • Issued: 07/19/2011
  • Est. Priority Date: 09/20/2005
  • Status: Active Grant
First Claim
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1. A capsule camera apparatus, comprising:

  • a housing adapted to be swallowed;

    a light source within the housing;

    a camera within the housing for capturing a first digital image and a second digital image of a scene illuminated by the light source;

    a processing circuit within the housing that processes the first digital image and the second digital image, at least a portion of each digital image having a higher resolution than the remainder of that digital image;

    a motion detector within the housing that detects a motion based on a difference between the higher resolution portion of the first digital image provided in a first partial frame buffer and the higher resolution portion of the second digital image provided in a partial frame buffer; and

    a motion evaluator within the housing that designates the second digital image for further processing based on a metric on the motion.

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