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Fingertip tracking for touchless user interface

  • US 9,135,503 B2
  • Filed: 04/07/2011
  • Issued: 09/15/2015
  • Est. Priority Date: 11/09/2010
  • Status: Active Grant
First Claim
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1. A method for tracking one or more fingertips in video, comprising:

  • generating, by one or more processors, a set of points associated with curvatures of a hand in a video frame;

    generating, by the one or more processors, a set of candidate fingertips in the video frame based on the set of points;

    merging, by the one or more processors, candidate fingertips of the set of candidate fingertips in the video frame based on an initial target number of candidate fingertips in the video frame and a relative proximity of the candidate fingertips to one another; and

    designating, by the one or more processors, one or more of the merged candidate fingertips as fingertips for tracking.

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