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Annotating stimulus based on determined emotional response

  • US 8,126,220 B2
  • Filed: 05/03/2007
  • Issued: 02/28/2012
  • Est. Priority Date: 05/03/2007
  • Status: Expired due to Fees
First Claim
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1. A method of indexing a stimulus comprising:

  • measuring a plurality of facial expressions in an audience of the stimulus;

    interpreting measurements of the facial expressions using a processor, wherein the processor interpreting the measurements produces a result estimating a mood for a time period of the stimulus, and wherein interpreting measurements of the facial expressions comprises;

    classifying each of the facial expressions as corresponding to an emotion from a set of emotions; and

    statistically analyzing the respective emotions corresponding to the plurality of facial expressions to estimate the mood;

    generating an annotation of the stimulus, wherein the annotation is generated based on the mood estimated;

    repeating the measuring, interpreting, and generating steps to produce a plurality of the annotations that respectively correspond to different time periods of the stimulus; and

    indexing the annotations according to the respective moods, wherein the indexing provides a two-way linkage between the annotations and the time periods of the stimulus.

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