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Generating content data for a video file

  • US 9,396,759 B2
  • Filed: 11/03/2014
  • Issued: 07/19/2016
  • Est. Priority Date: 05/23/2011
  • Status: Active Grant
First Claim
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1. A method for generating content data for a video file, the video file comprising a video sequence and the content data for characterizing the video sequence, wherein the method comprises the steps:

  • determining at least one face containing image by scanning at least a part of the video sequence for face containing images, each face containing image containing at least one representation of a face;

    generating at least one picture containing the face based on the determined at least one face containing image; and

    assigning the at least one picture to the content data of the video file,wherein the step of generating at least one picture comprises;

    determining for each face containing image a percentage area covered by the representation of the face, the percentage area indicating a relative amount of area of the image covered by the representation of the face as compared to an entire area of the image;

    generating the at least one picture based on the determined at least one face containing image and on the corresponding percentage area;

    selecting one face containing image of the at least one face containing image; and

    selecting a video subsequence of a predetermined length from the video sequence as the at least one picture, the video subsequence containing the selected face containing image.

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