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DEPTH ESTIMATION BASED ON INTERPOLATION OF INVERSE FOCUS STATISTICS

  • US 20140132791A1
  • Filed: 11/13/2012
  • Published: 05/15/2014
  • Est. Priority Date: 11/13/2012
  • Status: Active Grant
First Claim
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1. A processor based method, comprising:

  • receiving a plurality of image frames from an image sensor;

    receiving for each of the plurality of image frames, an image statistic and a focusing position;

    calculating for each of the plurality of image statistics, an inverse of each of the statistics;

    performing a curve fitting determination using the inverse statistics and focusing positions to locate a minimum location on a curve; and

    selectively employing the minimum location as an estimated depth.

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