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Identifying presentation styles of educational videos

  • US 10,248,865 B2
  • Filed: 04/12/2017
  • Issued: 04/02/2019
  • Est. Priority Date: 07/23/2014
  • Status: Active Grant
First Claim
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1. A system for training a video presentation style classifier, comprising:

  • one or more computing devices, said computing devices being in communication with each other via a computer network whenever there is a plurality of computing devices; and

    a computer program having program modules executable by the one or more computing devices, the one or more computing devices being directed by the program modules of the computer program to;

    receive a training dataset comprising a plurality of videos each of which is labeled with a presentation style identifier specifying the presentation style that is predominately employed in the video, said specified presentation style being a one of the presentation styles in a set of possible presentation styles;

    use the training dataset to independently learn a different classifier for each possible unordered pair of presentation styles in the set of possible presentation styles; and

    combine the different classifiers using probabilistic fusion, said combination producing the video presentation style classifier.

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