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Scene and activity identification in video summary generation based on motion detected in a video

  • US 10,192,585 B1
  • Filed: 03/23/2017
  • Issued: 01/29/2019
  • Est. Priority Date: 08/20/2014
  • Status: Active Grant
First Claim
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1. A method for identifying video clips for inclusion in a video summary, the method comprising:

  • accessing a video, the video including video frames;

    dividing individual video frames into tiles;

    determining motion values of individual tiles of the individual video frames, the motion values characterizing movement of visual content within a corresponding tile between proximate video frames;

    identifying tiles in the video frames having motion values that satisfy one or more motion criteria, wherein the one or more motion criteria includes a first motion criterion defining a first threshold velocity value, the individual tiles satisfying the first motion criterion based on the motion values of the individual tiles being greater than the first threshold velocity value;

    generating a motion profile for the video based on the motion values determined for the individual tiles of the individual video frames, the motion profile characterizing, on a per video frame basis, an amount of the tiles within the individual video frames that satisfy the one or more motion criteria;

    identifying one or more of the video frames based on the motion profile; and

    generating the video summary, the video summary including the identified video frames.

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