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Method, apparatus and computer program product for providing object tracking using template switching and feature adaptation

  • US 8,718,324 B2
  • Filed: 06/15/2011
  • Issued: 05/06/2014
  • Est. Priority Date: 06/22/2010
  • Status: Active Grant
First Claim
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1. A method comprising:

  • adjusting parameters of a portion of an input frame having a target object therein to match a template size;

    performing, via a processor, feature-based image registration between the portion of the input frame and an active template and at least one selected inactive template;

    enabling switching the selected inactive template to be an active template for a subsequent frame based at least on a matching score between the portion of the input frame and the selected inactive template; and

    determining a position of a target object in the input frame based on one of the active template or the selected inactive template,wherein the selected inactive template comprises a highest ranked inactive template of a plurality of candidate templates scored with respect to a ratio of a number of best-best-match points to a total number of template key points.

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