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Identification of lines in a heat map

  • US 9,619,908 B1
  • Filed: 03/24/2014
  • Issued: 04/11/2017
  • Est. Priority Date: 03/24/2014
  • Status: Active Grant
First Claim
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1. A method, comprising:

  • employing a processor to execute computer executable instructions stored on a non-transitory computer readable medium to perform the following acts;

    generating a heat map representative of similarities between two media items, the heat map comprising a plurality of data points corresponding to difference values between fingerprints associated with points in time in a first media item with respect to fingerprints associated with points in time in a second media item;

    identifying areas of the heat map within a region of the heat map comprising a potential match line;

    identifying short lines formed via subsets of the data points respectively contained within the areas;

    merging the short lines to form a long line;

    determining degrees of continuity along the long line;

    identifying a portion of the long line associated with a degree of continuity above a continuity threshold; and

    identifying data points included in the portion of the long line associated with the degree of continuity above the continuity threshold as representative of a match between portions of the first and second media items.

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